list of 21 letters words
Nouns with 21 letters (1,000)
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- Nouns with 21 letters
Showing only 1,000 items. 1,479 elements in total
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67.61%
- hypertriglyceridaemia
- hypercholesterolaemia
- consciousness-raising
- glycerophosphocholine
- hyperlipoproteinaemia
- psychoneuroimmunology
- electroencephalograph
- anti-authoritarianism
- multi-instrumentalist
- phenylmethylsulphonyl
- pseudointellectualism
- immunoelectrophoresis
- hypogammaglobulinemia
- chlorodifluoromethane
- chips-with-everything
- pseudohermaphroditism
- deprofessionalization
- constitutionalization
- sympathetic vibration
- active radicalization
- rubber-chicken dinner
- hyperchylomicronaemia
- traditional publisher
- modus tollendo ponens
- spot-backed antshrike
- public health funeral
- electromagnetic pulse
- comprador bourgeoisie
- short message service
- water bottle flipping
- hydroureteronephrosis
- antiribonucleoprotein
- immunoelectrotransfer
- Jerusalem mixed grill
- dimethoxybenzaldehyde
- substitution reaction
- red imported fire ant
- reinventing the wheel
- collar-button abscess
- first-party logistics
- quadratic reciprocity
- acetyloxytheophylline
- Helmholtz free energy
- ball-and-socket joint
- Gordie Howe hat trick
- supergranulation cell
- chemical beam epitaxy
- pièce de résistance
- inotuzumab ozogamicin
- galactosyltransferase
- veterinary technician
- orthogonal complement
- spot-winged antshrike
- quinolinemethanethiol
- methyldihydromorphine
- garland chrysanthemum
- Letterer-Siwe disease
- teardrop tubeshoulder
- thin end of the wedge
- sodium stibogluconate
- well-formedness rules
- carbonless copy paper
- care in the community
- twenty-nail dystrophy
- la belle indifference
- blocking and tackling
- changing of the guard
- trihydroxycholesterol
- first-person singular
- North American Indian
- limited overs cricket
- sugarcane soldier fly
- Dormand-Prince method
- original aspect ratio
- Cartesian coordinates
- all things to all men
- malicious prosecution
- cartesian coordinates
- alkenoyloxazolidinone
- hostis humani generis
- intellectual property
- displacement activity
- Duchenne-Aran disease
- endoplasmic reticulum
- calcium polyphosphate
- South Park Republican
- top-of-mind awareness
- Mollaret’s meningitis
- sign of contradiction
- cultural anthropology
- premature antifascist
- dandelion and burdock
- quarternary structure
- magnetoferroelectrics
- triphenylchlorosilane
- fosamprenavir calcium
- reflecting microscope
- management accounting
- two-point perspective
- cultural appropriator
- premature ejaculation
- upsetting thermometer
- planetary engineering
- augmented sixth chord
- counterindoctrination
- dental identification
- liberty of conscience
- Harlan’s ground sloth
- wrong-way concurrency
- hexadecatrienoic acid
- methylenecyclopropane
- school of hard knocks
- phenotypic plasticity
- transmission function
- two-price advertising
- postrevascularization
- dendrogeomorphologist
- Madagascan fish eagle
- magnetofluidodynamics
- telebehavioral health
- teleological argument
- Pahvant Valley plague
- methylenecyclopropene
- circadian dysrhythmia
- hydraulic engineering
- hydroferrocyanic acid
- bar-crested antshrike
- metalloaminopeptidase
- application programme
- selective compression
- crowd control barrier
- cultural evolutionism
- dimethyl polysiloxane
- synchronisation proxy
- canary in a coal mine
- endopolygalacturonase
- software architecture
- punctus percontativus
- very important person
- superhabitable planet
- Madagascar fish eagle
- sodium-potassium pump
- charismatic megafauna
- interrogative pronoun
- hyperphenylalaninemia
- sovereign wealth fund
- pyrrolobenzodiazepine
- phosphatidylinositide
- community development
- pearly penile papules
- inner orbital complex
- buff-tailed bumblebee
- file allocation table
- possessive determiner
- kitchentable software
- racial discrimination
- synchronised swimming
- heterogeneous mixture
- applications software
- pigeon fancier’s lung
- naphthylvinylpyridine
- garbage disposal unit
- deoxyribonucleic acid
- queen’s bishop’s pawn
- worker’s compensation
- silly window syndrome
- drinking man’s degree
- workers’ compensation
- marantic endocarditis
- screen motion capture
- community of practice
- turd in the punchbowl
- counterinterpretation
- prepositional article
- algebraic normal form
- scintillation counter
- cryptoviral extortion
- lesser saphenous vein
- discriminant function
- chondroitinsulphatase
- Claude Lorraine glass
- intelligence quotient
- Presburger arithmetic
- hydrofluosilicic acid
- secondary hypothermia
- counter-revolutionary
- prepositional pronoun
- benzalkonium chloride
- bootstrap aggregating
- distributed computing
- reproductive division
- Carolingian minuscule
- Tears of St. Lawrence
- destroyer minesweeper
- harlequin cabbage bug
- postaxial polydactyly
- vote of no confidence
- acid-base equilibrium
- reproductive medicine
- reticuloendotheliosis
- constructio ad sensum
- municipal corporation
- quantum cascade laser
- queen’s knight’s pawn
- bottom of the harbour
- municipal engineering
- dihydrodesoxymorphine
- eicosapentaenoic acid
- party and party costs
- chlorotetrahydrofuran
- Big Jim and the twins
- vanillylmandelic acid
- synchronization proxy
- tombstone engineering
- secondary legislation
- imidazobenzodiazepine
- inclusive disjunction
- corporate welfare bum
- demonstrative pronoun
- reticulohistiocytosis
- taurodeoxycholic acid
- model-view-controller
- Sharkovskii’s theorem
- muscular Christianity
- Friday the thirteenth
- demonstrative-pronoun
- distribution function
- eastern gray squirrel
- dihydroergocalciferol
- eastern grey kangaroo
- perceived temperature
- conversationalization
- neutron cross section
- Virginian winterberry
- wave-particle duality
- chemical nomenclature
- analytic continuation
- energetic disassembly
- ideographic full stop
- Indo-European studies
- fossa of Rosenmüller
- deputy first minister
- difference of opinion
- eicosatetraenoic acid
- chemical oceanography
- Seifert fibered space
- field goal percentage
- nuclear power station
- other fish in the sea
- Eastern Herzegovinian
- hexaferrocenylbenzene
- medical alert jewelry
- sexual fraternization
- destructive backspace
- goldspotted killifish
- Brill-Zinsser disease
- syllabic abbreviation
- phosphorus oxynitride
- common green lacewing
- benzathine penicillin
- public transportation
- destructive criticism
- light-off temperature
- synchronized swimming
- gamma-hydroxybutyrate
- yellow-legged tinamou
- Rocky Mountain oyster
- coffee ground vomitus
- astronomical twilight
- signal-to-noise ratio
- long-beaked bald rush
- box-drawing character
- schlieren photography
- points classification
- criminal conversation
- fragmentation grenade
- protoplanetary nebula
- Kolmogorov complexity
- deciduous winterberry
- quantum hadrodynamics
- regional metamorphism
- witch-hazel cone gall
- mannanoligosaccharide
- tetrahydroimidizalone
- phenyltrichlorosilane
- chlorotrimethylsilane
- imidazolonepropionase
- infrared spectroscopy
- copy number variation
- Kolmogorov randomness
- Stations of the Cross
- wavefunction collapse
- acrocephalosyndactyly
- Einstein refrigerator
- electromyoneurography
- phagedenic gingivitis
- imidazolonepropionate
- arithmetic logic unit
- infrared thermography
- two-way communication
- constructive eviction
- non-virtual interface
- quantum indeterminacy
- medical jurisprudence
- false memory syndrome
- Soemmerring’s gazelle
- pteroyl glutamic acid
- geranylgeranylacetone
- tryptophan synthetase
- binomial distribution
- Grothendieck topology
- long-eared guinea pig
- heterotransplantation
- hexafluoroisopropanol
- Einstein-Rosen bridge
- tetrahydronaphthalene
- phosphatidylglyceride
- peroxophosphoric acid
- inferior nasal concha
- Grothendieck universe
- icosihemidodecahedron
- criminal psychologist
- binomial nomenclature
- machine of government
- room temperature I.Q.
- phenylacetylglutamine
- insulin shock therapy
- small, unmarked bills
- daughter of the manse
- Utah roundmouth snail
- box-to-box midfielder
- differential calculus
- social responsibility
- octadecatrienoic acid
- higher-order function
- American painted lady
- merochlorophaeic acid
- truncated icosahedron
- skeleton at the feast
- professional wrestler
- Kleine-Levin syndrome
- differential equation
- grammatischer Wechsel
- doctrine of necessity
- overcommercialization
- anti-institutionalism
- neuro-ophthalmologist
- neuropsychophysiology
- programmed cell death
- haemopneumoperitoneum
- addictive personality
- administrative region
- hexafluorothioacetone
- electrotransformation
- imperfect subjunctive
- turn up for the books
- neuropsychotoxicology
- gee haw whimmy diddle
- differential geometry
- eastern spotted skunk
- phenylalanylanhydride
- truncated tetrahedron
- infraspecific epithet
- political consumerism
- neuroimmunomodulation
- statistical inference
- null-subject language
- relocatable power tap
- request for admission
- highest common factor
- pellitory of the wall
- molluscum contagiosum
- proto-science fiction
- dichlorofluoromethane
- differential operator
- accelerating universe
- argument from silence
- political correctness
- prosopometamorphopsia
- statistical mechanics
- divine right of kings
- synchrotron radiation
- Hill-Robertson effect
- salpingo-oophorectomy
- cookie-jar accounting
- electrochromatography
- pitted-shelled turtle
- fortification curtain
- Rube Goldberg machine
- methylisothiazolinone
- Schwarzian derivative
- sex-on-premises venue
- condensation reaction
- polyvinyl pyrrolidone
- Portuguese man-of-war
- night eating syndrome
- programming interface
- king of the mountains
- death’s-head hawkmoth
- built-in obsolescence
- interpetiolar stipule
- differential topology
- chickweed wintergreen
- hypergeometric series
- extrapetiolar stipule
- dacryocystorhinostomy
- statistical semantics
- laughing heir statute
- adenosine diphosphate
- magnetoplasmadynamics
- metallopharmaceutical
- Huey, Dewey and Louie
- social stratification
- Prince Charlie jacket
- ambassador of Morocco
- intrapetiolar stipule
- hydroxycorticosteroid
- trifluoromethylphenyl
- course authoring tool
- dimethyloxalylglycine
- accommodation address
- restless leg syndrome
- selenium hexafluoride
- auctorial descriptive
- out-of-box experience
- Scheuermann’s disease
- closed timelike curve
- digital converter box
- ring of the fisherman
- exploratory committee
- Falkland Islands wolf
- shadow banking system
- monammonium glutamate
- four thieves’ vinegar
- crystalline arthritis
- behavioral psychology
- premenstrual syndrome
- benzethonium chloride
- pronoun demonstrative
- wife-beating question
- adenosinetriphosphate
- African cherry orange
- hide-and-die syndrome
- certificate authority
- pedal steel guitarist
- anticonstitutionalist
- hydroxydeoxyguanosine
- posterior probability
- cry in the wilderness
- negligent entrustment
- Killiecrankie diamond
- quantum teleportation
- recurrent slope linea
- Wohl-Ziegler reaction
- revenue sharing grant
- chlorine monofluoride
- metallophthalocyanine
- hypoproaccelerinaemia
- inside-the-park homer
- day-after recall test
- dichloroquinolinolate
- British Approved Name
- Yangtze River dolphin
- equine rhabdomyelosis
- umbrella organisation
- copper phthalocyanine
- polysialyltransferase
- foot-in-mouth disease
- laryngotracheomalacia
- octafluorocyclobutane
- Document Object Model
- tetraazacyclododecane
- hypoproconvertinaemia
- argumentum ad baculum
- Colored People’s Time
- umbrella organization
- isopropylthioxanthone
- vesicovaginal fistula
- direct inward dialing
- Antarctic convergence
- physiological density
- conscious parallelism
- multi-level marketing
- white-bellied nothura
- endodeoxyribonuclease
- Gaussian distribution
- globotriaosylceramide
- Brobdingnagian vision
- hydroxyergocalciferol
- microribonucleic acid
- seventeen-year locust
- cost benefit analysis
- direct maternal death
- perpendicular pronoun
- phosphotransacetylase
- argumentum ad feminam
- turn-up for the books
- multilayer perceptron
- corrugator supercilii
- Prince Rupert’s metal
- quaternary healthcare
- gentiobiosylodoroside
- dengue shock syndrome
- disintegration energy
- ground ball with eyes
- temperature inversion
- electroconductibility
- argumentum ad hominem
- gentiobiosyloleandrin
- supermultiplicativity
- hydroxyethylcellulose
- argumentum ad Lazarum
- progressive bluegrass
- demand characteristic
- descriptive adjective
- sulphuretted hydrogen
- argumentum ad nauseam
- damnum absque injuria
- gazelle in the garden
- electroneuromyography
- tough pill to swallow
- argumentum ad numerum
- Labarraque’s solution
- Anatolian hieroglyphs
- negotiable instrument
- cyclohexadepsipeptide
- Large Münsterländer
- rebel without a cause
- airmass source region
- European Commissioner
- argumentum ad populum
- artificial tear drops
- coordination compound
- Hailey-Hailey disease
- pancreatoduodenectomy
- hypoelliptic operator
- Cockney rhyming slang
- controlled vocabulary
- Venus’s flower basket
- requirements contract
- collective bargaining
- false-memory syndrome
- Pittsburgh compound B
- Congregational church
- enantiodiscrimination
- phosphoellenbergerite
- Prader-Willi syndrome
- desulphoglucosinolate
- hazard reduction burn
- scalar multiplication
- de Broglie wavelength
- split-finger fastball
- Delivered At Frontier
- ground effect machine
- transitive dependency
- Imperial Stormtrooper
- near-death experience
- psychiatric condition
- dielectric absorption
- haemangioendothelioma
- reverberatory furnace
- Imperial stormtrooper
- shielded twisted pair
- Kayser-Fleischer ring
- Valsalvian experiment
- Delivered Duty Unpaid
- grey-necked wood rail
- wicket-keeping gloves
- electronic body music
- megaspore mother cell
- phenylethylacetylurea
- aerospace engineering
- internalized misogyny
- cost-benefit analysis
- no horse in that race
- user-defined function
- gentle murder paradox
- deflavorizing machine
- venire facias de novo
- grey-winged trumpeter
- personal area network
- phosphureted hydrogen
- Seventh-day Adventist
- no horse in this race
- glycerophosphodiester
- nucleocosmochronology
- dihydroxyacetophenone
- reciprocity principle
- abetalipoproteinaemia
- terrestrial telescope
- third cosmic velocity
- black-necked screamer
- Okinawan sweet potato
- calm before the storm
- chenodeoxycholic acid
- thymidylyltransferase
- phenylethylmalonamide
- paratopological group
- thick-tailed bushbaby
- environmental refugee
- collective punishment
- neoconvallatoxoloside
- glycerophosphoglucose
- adenylpyrophosphatase
- melaminylthioarsenate
- environmental science
- European herring gull
- trichloroacetaldehyde
- moonlight requisition
- austausch coefficient
- pneumoencephalography
- Robertson screwdriver
- skimble-skamble stuff
- postindustrialization
- carboxymethyl glucose
- cholecystoenterostomy
- ulcerative gingivitis
- black-striped wallaby
- octamethyltrisiloxane
- male pattern baldness
- class adapter pattern
- deflection difference
- dihydroxybenzoic acid
- little bluestem grass
- trichloroacetonitrile
- depraved-heart murder
- radicofunctional name
- surface of revolution
- organ of Rosenmüller
- dictionary definition
- British Semi-Longhair
- business intelligence
- telephotographic lens
- teppo snapping shrimp
- delegated legislation
- butyrylcholinesterase
- magnesium diglutamate
- exclusive disjunction
- phosphoglucoisomerase
- overstraining disease
- electronic publishing
- microentrepreneurship
- diaphragmic breathing
- toughest nut to crack
- arylsulphotransferase
- plumbate of potassium
- black-throated thrush
- demarcation potential
- bulletin board system
- international airport
- trouble ticket system
- nitrosylsulfuric acid
- a hair past a freckle
- rhythmic contemporary
- endogalactosaminidase
- ministry of education
- issue tracking system
- freedom of expression
- primary myelofibrosis
- relevance conditional
- co-grandfather-in-law
- archeological horizon
- phosphogluconolactone
- band-tailed antshrike
- postpartum depression
- surrogate advertising
- round-trip delay time
- electrencephalography
- partially ordered set
- perchlorobenzoic acid
- New Year’s resolution
- adrenomyeloneuropathy
- carbomonoxyhemoglobin
- Christmahanukwanzakah
- directional stability
- drive-through penalty
- horse and rabbit stew
- pentaethylenehexamine
- place of articulation
- sport utility vehicle
- dihydroxyphenylisatin
- cerebral localisation
- trichloronitromethane
- Muckle-Wells syndrome
- first cosmic velocity
- divisibility sequence
- cerebral localization
- hot metal typesetting
- choledochojejunostomy
- erect-crested penguin
- phosphoglyceraldehyde
- fairy-ring champignon
- monomethyltransferase
- conditional agreement
- primary reinforcement
- gentleman and scholar
- geographic North Pole
- chequebook journalism
- intentional community
- western blot analysis
- terminal control area
- hydroxymethylcytosine
- personal jurisdiction
- tumor necrosis factor
- conspiracy hypothesis
- intentional grounding
- polyfunctionalization
- linear transformation
- dualistic development
- homeowner association
- participant evolution
- hydroxymethylfurfural
- conspiracy of silence
- necrobiosis lipoidica
- price of tea in China
- licence to crenellate
- open feedwater heater
- pactum de non petendo
- hexamethylene diamine
- third party processor
- phenylmethanesulfonyl
- binary numeral system
- abdominal respiration
- marginal distribution
- palmitoylethanolamide
- pharmacological agent
- largescale archerfish
- storage power station
- magnetothermodynamics
- hyperhaemoglobinaemia
- everyone who’s anyone
- pityriasis versicolor
- Fibber McGee’s closet
- post-creole continuum
- orange blister beetle
- central limit theorem
- Versioned Object Base
- leucoencephalomalacia
- central location test
- hydroxynaphthoquinone
- transubstantiationism
- Darcy friction factor
- great-grandparenthood
- Western concert flute
- tetramethylpiperidine
- millimeter of mercury
- transubstantiationist
- pseudooligosaccharide
- Wilson’s storm petrel
- ichthyoallyeinotoxism
- potassium bicarbonate
- nondimensionalization
- wafer trapdoor spider
- rainbows and unicorns
- electrodisintegration
- electronystagmography
- hydroxyphenethylamine
- extended playing time
- compact executive car
- flexor carpi radialis
- glucuronoarabinoxylan
- circular firing squad
- millimetre of mercury
- transcendental number
- polygalacturonic acid
- reckless endangerment
- words of one syllable
- paraconsistentization
- endogenous retrovirus
- anembryonic pregnancy
- Chinese finger puzzle
- hydroxyphenylpyruvate
- contradictory antonym
- principal photography
- white cheese polypore
- central pain syndrome
- methylsulfonylmethane
- compact neighbourhood
- Besnier-Boeck disease
- Kitti’s hog-nosed bat
- prostatovesiculectomy
- birth control glasses
- international student
- hop, skip, and a jump
- information integrity
- Japanese bush warbler
- gentleman’s agreement
- supply-side economics
- thermoviscoelasticity
- most significant byte
- principal ultrafilter
- Bourneville’s disease
- guardian of the peace
- white Christmas slice
- magnetencephalography
- participial adjective
- Chinese food syndrome
- euglobulin lysis time
- radio cassette player
- thunder and lightning
- poor little rich girl
- Japanese crucian carp
- pregnant construction
- New Zealand cranberry
- western grey kangaroo
- equipotential surface
- contradistinctiveness
- creature of the night
- gentleman’s gentleman
- glucuronyltransferase
- liquefied natural gas
- ground-effect machine
- reverse boustrophedon
- nail-patella syndrome
- ground-effect vehicle
- renewable electricity
- macrosociolinguistics
- overhead transparency
- Tartarian honeysuckle
- methylglutaconic acid
- information retrieval
- Japanese encephalitis
- object request broker
- disjunctive syllogism
- table steel guitarist
- pulmonary circulation
- blueberry muffin baby
- disproportionableness
- businessman’s special
- arteriovenous fistula
- tube feeding syndrome
- countercountermeasure
- Japanese giant hornet
- sticky toffee pudding
- testamentary guardian
- parahippocampal gyrus
- thromb-endarterectomy
- antielectron neutrino
- tricyclohexylammonium
- monofixation syndrome
- benzonaphthothiophene
- democratic centralism
- New Zealand sassafras
- object-based language
- domain of convergence
- Maxwell Street Polish
- hyperhomocysteinaemia
- Pierre Trudeau salute
- polyphenylenevinylene
- sticky-backed plastic
- lienophrenic ligament
- wing in ground effect
- representable functor
- autodephosphorylation
- forty minutes of hell
- billion laughs attack
- bismuth subsalicylate
- developmental biology
- support ticket system
- tortious interference
- pin-tailed sandgrouse
- Protestant work ethic
- bolometric correction
- reverse culture shock
- territorial integrity
- Chatham Island pigeon
- Chicago-style hot dog
- competitive advantage
- pseudopelade of Brocq
- deinstrumentalization
- raspberry crown borer
- lightning in a bottle
- green mustard cabbage
- hand-eye coordination
- acute-angled triangle
- Lyme neuroborreliosis
- xeroderma pigmentosum
- hierarchical database
- alpha-d-galactosidase
- electroencephalophone
- no prize for guessing
- wheelchair basketball
- magnetic flux density
- mercaptobenzothiazole
- Schneiderian membrane
- establishmentarianism
- cocktail party effect
- continental breakfast
- Skevington’s daughter
- biological imperative
- democratic revolution
- thrombendarteriectomy
- competitive exclusion
- Cumberland rum butter
- General Tso’s chicken
- deintellectualization
- number needed to harm
- Greenwich Time Signal
- thrombendoarterectomy
- time and motion study
- immunophotosensitizer
- artery of Adamkiewicz
- Australian Cattle Dog
- silicon tetrachloride
- urban-type settlement
- abdominothoracic arch
- molybdenacyclopentane
- auto-brewery syndrome
- silicon tetrafluoride
- fuming sulphuric acid
- daddy longlegs spider
- representation theory
- mathematical analysis
- hyperbolic polynomial
- transformational rule
- statutory declaration
- post-lingual deafness
- Japanese mountain yam
- Croatian checkerboard
- biological psychology
- Saint Anthony’s cross
- classical inheritance
- monofunctionalization
- western spotted skunk
- pathfinder prospectus
- daylight savings time
- breakeven load factor
- white English bulldog
- wide spot in the road
- humuhumunukunukuapuaa
- ultraviolet astronomy
- daylight-savings time
- diisopropylethylamine
- chips with everything
- meter-kilogram-second
- second freedom rights
- videoteleconferencing
- lethal white syndrome
- sulphantimonious acid
- magnetic permeability
- man on the Bondi tram
- molybdenum disulphide
- brittle hair syndrome
- emperor’s new clothes
- third-degree relative
- percussion instrument
- seasonal unemployment
- mule spinners’ cancer
- cytoplasmic streaming
- concordance cosmology
- etymological argument
- diisopropyltryptamine
- burning feet syndrome
- fluorodesulfurization
- deconfessionalization
- consistent life ethic
- epidermolysis bullosa
- topological insulator
- pinacol rearrangement
- mucopolysaccharidosis
- Coromandel gooseberry
- foreign correspondent
- belemnite battlefield
- dysgranulocytopoiesis
- marchand de vin sauce
- counterproductiveness
- country of provenance
- Desert Storm syndrome
- orthorhombic pyroxene
- age standardized rate
- heterochromia iridium
- pentakis dodecahedron
- phosphomevalonic acid
- arsenic pentachloride
- least common multiple
- referential integrity
- Wolff-Chaikoff effect
- Thanksgiving Thursday
- cysteinyl leukotriene
- normotriglyceridaemia
- reformulated gasoline
- interhalogen compound
- Middle Easternization
- anybody who is anyone
- Australian white ibis
- six bob a day tourist
- strengthening plaster
- allotetraploidization
- the end of one’s rope
- anybody who’s anybody
- trimetaphan camsilate
- flour treatment agent
- Nantucket sleigh ride
- nettle tree butterfly
- pseudophosphorylation
- lateral gene transfer
- least significant bit
- on-base plus slugging
- third-person singular
- confused flour beetle