16-Letter Words Containing: O,R,I,A,S,_
(In Any Order)
There are 535 16 letter words,
789 16 letter phrases and
0 16 letter abbr's with
O,R,I,A,S,_ in.
Best Scoring for Word Games
| Word | Save | Length | Usage | Points | Type | ||
|---|---|---|---|---|---|---|---|
We couldn't find any valid Scrabble US words with a length of 16. Try changing the version of the game.
Tip: Scrabble EU allows far more words than US! | |||||||
All 16 Letter Words
Words (535)
- environmentalist
- electromagnetism
- neurotransmitter
- disproportionate
- gastrointestinal
- transilluminator
- transcontinental
- misappropriation
- environmentalism
- australopithecus
- prestidigitation
- catastrophically
- representational
- countersignature
- counterespionage
- indiscrimination
- vasoconstriction
- thermostatically
- overcompensation
- journalistically
- erythroblastosis
- electromagnetics
- collaborationist
- reclassification
- overenthusiastic
- characterisation
- arteriosclerosis
- anthropomorphism
- unprofessionally
- transformational
- parapsychologist
- northamptonshire
- neuropsychiatric
- internationalist
- conversationally
- collaborationism
- authoritarianism
- anthropomorphise
- weatherboardings
- vasoconstrictors
- vascularizations
- vaingloriousness
- uproariousnesses
- universalization
- ungraciousnesses
- underestimations
- ultrasonographic
- ultraprogressive
- ultranationalist
- ultramicrotomies
- ultramicroscopes
- ultrafiltrations
- turbomachineries
- trifluoperazines
- transportational
- transportability
- transplantations
- transnationalism
- transmissometers
- transliterations
- transitorinesses
- transfigurations
- transcriptionist
- totalitarianizes
- totalitarianisms
- thyrocalcitonins
- thermoplasticity
- thermolabilities
- thermodynamicist
- territorialities
- teratogenicities
- teratocarcinomas
- synchronizations
- synchronisations
- supranationality
- supranationalist
- supranationalism
- supportabilities
- superspeculation
- supersaturations
- superromanticism
- superpatriotisms
- supernormalities
- supermillionaire
- supercorporation
- superbillionaire
- suburbanizations
- subprofessionals
- suborganizations
- submitochondrial
- strongyloidiasis
- strongyloidiases
- stroboscopically
- straightforwards
- stereoscopically
- stereoregularity
- stereophonically
- stenographically
- standardizations
- stadtholderships
- spectroheliogram
- spatiotemporally
- sesquicarbonates
- seronegativities
- semipornographic
- semigovernmental
- semiconservative
- semiabstractions
- salubriousnesses
- saccharification
- romanticizations
- roadworthinesses
- revisualizations
- retransformation
- retinoblastomata
- resolidification
- resocializations
- requalifications
- reprivatizations
- reorchestrations
- renormalizations
- reinvestigations
- reincorporations
- regionalizations
- refractorinesses
- refortifications
- redistributional
- redeterminations
- recoverabilities
- recontextualizes
- recontaminations
- reconsiderations
- reconfigurations
- reconceptualizes
- reconcentrations
- recertifications
- reauthorizations
- reapportionments
- reafforestations
- reaccreditations
- rationalizations
- rambunctiousness
- radiotelephonies
- radiotelemetries
- radioprotections
- radiochemistries
- quasiperiodicity
- quadruplications
- pyrometallurgies
- psychotherapists
- psychometricians
- psychometrically
- psychohistorical
- psychohistorians
- psychobiographer
- prussianizations
- prosopographical
- proselytizations
- pronunciamentoes
- proletarianising
- prognostications
- profitablenesses
- professionalizes
- professionalized
- professionalisms
- procrastinations
- processabilities
- presuppositional
- prestidigitators
- preservationists
- preregistrations
- prenotifications
- premodifications
- preformationists
- precariousnesses
- precancellations
- postpresidential
- postmillenarians
- postexperimental
- polarizabilities
- pleuropneumonias
- plethysmographic
- phytogeographies
- physiotherapists
- phrasemongerings
- photorespiration
- photomicrographs
- photolithographs
- photojournalists
- photojournalisms
- photogrammetrist
- photogrammetries
- phosphorylations
- phosphocreatines
- phonocardiograms
- phenylketonurias
- pharmacodynamics
- pertinaciousness
- personifications
- personalizations
- performabilities
- parapsychologies
- parametrizations
- paradoxicalities
- papillomaviruses
- pancreatectomies
- paleogeographies
- oxytetracyclines
- overutilizations
- overstimulations
- overspeculations
- overspecializing
- overexpectations
- overelaborations
- overcultivations
- overconservative
- overcompensating
- overcommunicates
- overapplications
- overachievements
- outdoorsmanships
- otolaryngologies
- osteoarthritides
- orthopsychiatric
- organomercurials
- operationalistic
- oligosaccharides
- oligomerizations
- oligodendroglias
- nonpsychiatrists
- nonproprietaries
- nonprofessionals
- nonpartisanships
- nonmetropolitans
- nonmaterialistic
- noninstructional
- nondocumentaries
- nondiscretionary
- nonconservatives
- nonconservations
- nonarchitectures
- nonarbitrariness
- neuroradiologist
- neuroradiologies
- neuropathologist
- neuropathologies
- neurohypophysial
- neoconservatives
- neoconservatisms
- mistranscription
- misregistrations
- misappropriating
- misapprehensions
- misanthropically
- miraculousnesses
- miniaturizations
- microvasculature
- microsporangiate
- microradiographs
- microphotographs
- micromanagements
- microgametocytes
- microencapsulate
- microearthquakes
- megasporogenesis
- megacorporations
- mechanochemistry
- materializations
- marginalizations
- malpractitioners
- maldistributions
- majoritarianisms
- magnetostrictive
- magnetostriction
- macroinstruction
- jurisdictionally
- irrevocabilities
- irremovabilities
- intracutaneously
- intolerantnesses
- intolerabilities
- intervisitations
- interstimulation
- internalizations
- intermodulations
- interiorizations
- intergenerations
- interdigitations
- intercomparisons
- interchromosomal
- interassociation
- insubordinations
- instrumentations
- inordinatenesses
- inexorablenesses
- indeterminations
- inconsiderations
- incommensurables
- immunomodulators
- immortalizations
- immoderatenesses
- idolatrousnesses
- hypopituitarisms
- hypocoristically
- hypervitaminoses
- hyperstimulation
- hypersalivations
- hypermetabolisms
- hypercatabolisms
- hydroxylapatites
- hydrodynamicists
- historiographies
- historiographers
- historicalnesses
- heterokaryosises
- heterochromatins
- hermaphroditisms
- hematoporphyrins
- harmoniousnesses
- gynandromorphism
- gynandromorphies
- gregariousnesses
- gratuitousnesses
- governmentalizes
- governmentalists
- governmentalisms
- frenchifications
- formularizations
- formidablenesses
- foreseeabilities
- fluoroscopically
- familiarizations
- externalizations
- externalisations
- exteriorizations
- extemporizations
- extemporisations
- extemporaneities
- experimentations
- etherealizations
- enforceabilities
- endarterectomies
- enantiomorphisms
- electrotherapies
- electroacoustics
- electrifications
- diversifications
- dithiocarbamates
- disorganizations
- disequilibration
- discriminatorily
- discriminational
- disarticulations
- directionalities
- diffractometries
- differentiations
- diastereoisomers
- devitrifications
- detribalizations
- desulfurizations
- desertifications
- desacralizations
- depressurization
- denitrifications
- democratizations
- dehydrogenations
- deglamorizations
- decorativenesses
- deconcentrations
- decertifications
- decarburizations
- decarboxylations
- daguerreotypists
- crystallographic
- crystallizations
- cryopreservation
- crossopterygians
- criminalizations
- counterreactions
- counterirritants
- counterinstances
- counterguerillas
- countercampaigns
- coordinatenesses
- conveyorizations
- controversialism
- containerisation
- constructionally
- conspiratorially
- conservatorships
- conservativeness
- conservationists
- confrontationist
- confirmabilities
- computerizations
- communitarianism
- commensurability
- codeterminations
- coadministration
- circumvallations
- circumnavigators
- circularizations
- cinematographies
- cinematographers
- chromatographies
- choriocarcinomas
- cholecalciferols
- chloramphenicols
- chivalrousnesses
- chemoprophylaxis
- catheterizations
- cardiomyopathies
- carcinosarcomata
- carcinomatosises
- carboxypeptidase
- capriciousnesses
- blepharoplasties
- biostratigraphic
- avariciousnesses
- autotransfusions
- autocorrelations
- arterioscleroses
- archiepiscopates
- archiepiscopally
- archconservative
- antituberculosis
- antistrophically
- antiromanticisms
- antireductionist
- antireductionism
- antirecessionary
- antirationalists
- antirationalisms
- antiferromagnets
- anticonservation
- anticholinergics
- antiaristocratic
- antiaphrodisiacs
- antiabortionists
- anthropopathisms
- anthropomorphist
- aeroelasticities
- vespertilionidae
- vasoconstrictive
- unsatisfactorily
- unprofitableness
- unimpressionable
- uncommercialised
- ultranationalism
- ultramicroscopic
- traditionalistic
- tortoiseshell-cat
- three-dimensional
- third-dimensional
- syncategorematic
- superfecundation
- steprelationship
- spondylarthritis
- spiritualization
- spiritualisation
- semiprofessional
- self-renunciation
- self-preservation
- self-organization
- self-organisation
- self-depreciation
- scrophulariaceae
- scandalmongering
- satisfactoriness
- sacrilegiousness
- remilitarisation
- reincarnationism
- recurvirostridae
- radiosensitivity
- radioimmunoassay
- pseudoperipteral
- profit-maximising
- praiseworthiness
- plicatoperipatus
- pharmacokinetics
- pharmacogenetics
- phantasmagorical
- parsimoniousness
- paraprofessional
- otolaryngologist
- oscillatoriaceae
- nontransmissible
- nontranslational
- noncontroversial
- non-commercialism
- nephrocalcinosis
- narrow-mindedness
- multifariousness
- mispronunciation
- microcrystalline
- macrothelypteris
- lyginopteridales
- lomariopsidaceae
- leptosporangiate
- internationalism
- internationalise
- insalubriousness
- inharmoniousness
- hypervitaminosis
- holstein-friesian
- heterometabolism
- hemimetamorphous
- electrotherapist
- dishonorableness
- dermatosclerosis
- demineralisation
- decentralisation
- cross-pollination
- cross-pollinating
- cross-examination
- cothromboplastin
- controversialist
- contemporariness
- configurationism
- compartmentalise
- christianization
- christianisation
- chancellorsville
- caprimulgiformes
- branchiostomidae
- branchiostegidae
- arteriosclerotic
- aristolochiaceae
- aristocratically
- antiredeposition
- anthropocentrism
- anarcho-communism
- aminotransferase
- ambidextrousness
- alstroemeriaceae
Phrases (789)
- wuhan coronavirus
- wisdom literature
- william burroughs
- visual perception
- viscountess astor
- verbal expression
- valuation reserve
- tsuga caroliniana
- tibialis anterior
- theatrical season
- tenor saxophonist
- supreme authority
- sugar ray robinson
- strait of magellan
- stannous fluoride
- spinacia oleracea
- soren kierkegaard
- social liberalism
- sir william walton
- sir richard burton
- simplex algorithm
- simone de beauvoir
- signal/noise ratio
- shortbread cookie
- shipboard soldier
- sexual immorality
- serial processing
- seleucus i nicator
- school dictionary
- saxicola torquata
- sauropod dinosaur
- roseate spoonbill
- roman inquisition
- rheims-douay bible
- restraint of trade
- religious outcast
- religious holiday
- radio observation
- ptloris paradisea
- psidium littorale
- protoctist family
- proteles cristata
- professional life
- prince of darkness
- potassium nitrate
- portuguese guinea
- poinsettia strain
- podocarpus family
- pillar of strength
- physical property
- pharyngeal tonsil
- personnel carrier
- personal relation
- personal business
- performing artist
- peloponnesian war
- pacific northwest
- oscar hammerstein
- order sphaeriales
- order spatangoida
- order proboscidea
- order galliformes
- order apodiformes
- oral presentation
- operating expense
- official emissary
- ochotona princeps
- norwegian lobster
- northern rhodesia
- normandy landings
- nooks and crannies
- news organisation
- nevil shute norway
- neritid gastropod
- muscicapa grisola
- monosyllabic word
- military position
- mephitis macroura
- medical prognosis
- material resource
- marriage proposal
- mario vargas llosa
- malarial mosquito
- macro instruction
- loxia curvirostra
- louis vii of france
- louis isadore kahn
- leonard bernstein
- league of iroquois
- labyrinth of minos
- john simmons barth
- isopropyl alcohol
- island of guernsey
- instrumental role
- inspector maigret
- indonesian borneo
- horseradish sauce
- historical record
- heitor villa-lobos
- health profession
- george washington
- genus zonotrichia
- genus trichophaga
- genus trichomanes
- genus triceratops
- genus procellaria
- genus proboscidea
- genus dipsosaurus
- genus dendroaspis
- genus antilocapra
- genus angiopteris
- genus ancistrodon
- genus agkistrodon
- gaviiform seabird
- fringilla coelebs
- francois truffaut
- francois rabelais
- francisco pizarro
- financial support
- fibrous astrocyte
- family castoridae
- facial expression
- f. scott fitzgerald
- european flatfish
- equinoctial storm
- emperor francis ii
- elvis aron presley
- eleusine coracana
- diomedea nigripes
- dimocarpus longan
- datura stramonium
- cynoscion regalis
- cygnus buccinator
- curcuma domestica
- cox's orange pippin
- cortical epilepsy
- committal service
- classical scholar
- cellular division
- catholic monarchs
- carya illinoinsis
- carya illinoensis
- cardiac glycoside
- cardiac glucoside
- capital of belarus
- capital of austria
- business relation
- breath of fresh air
- brassica rapa ruvo
- brassica oleracea
- boswellia serrata
- board of directors
- benjamin harrison
- bank commissioner
- background signal
- australian dollar
- atopic dermatitis
- atmospheric state
- astronomical unit
- asian black grouse
- artistic creation
- articulatio genus
- argillaceous rock
- arctonyx collaris
- aquila chrysaetos
- apothecaries' unit
- anti-masonic party
- ammotragus lervia
- american sycamore
- american basswood
- alnus rhombifolia
- aleksandr borodin
- albert a. michelson
- after-shave lotion
- adiabatic process
- adhesive friction
- acoustic spectrum
- achromatic vision
- zygomatic process
- zoarces viviparus
- yugoslavian dinar
- yellow paper daisy
- yellow journalism
- xerophilous plant
- wood-sorrel family
- windowpane oyster
- wilson's phalarope
- williams syndrome
- william rose benet
- white-topped aster
- wheatstone bridge
- western poison oak
- weeping love grass
- washington irving
- visible radiation
- violet suksdorfia
- victoria sandwich
- veterinary school
- veronica arvensis
- veronica agrestis
- variable resistor
- varanus niloticus
- vacuum aspiration
- urogenital system
- urocystis cepulae
- universal solvent
- ulmus crassifolia
- tussilago farfara
- trust corporation
- triaenodon obseus
- transmission time
- transmission line
- transforming gene
- tragopogon dubius
- tontine insurance
- thrown and twisted
- thirty-second part
- theropod dinosaur
- theatrical poster
- thalassemia major
- temporalis muscle
- television camera
- tarpon atlanticus
- taricha granulosa
- szechwan province
- synovial membrane
- swainsona greyana
- surgical incision
- supraorbital vein
- superior vena cava
- suction curettage
- suborder natantia
- submarine torpedo
- striped coral root
- stock market index
- stock certificate
- sterculia foetida
- stationery seller
- standing rib roast
- standard of living
- spring cankerworm
- spreading pogonia
- spreading dogbane
- spotted sandpiper
- spondias purpurea
- spodoptera exigua
- split personality
- spiritual bouquet
- spirits of ammonia
- spinal nerve roots
- spike lavender oil
- spiderwort family
- spherical polygon
- spenserian sonnet
- specious argument
- sparaxis tricolor
- southern triangle
- southern rhodesia
- southern magnolia
- south platte river
- sorting algorithm
- sorbus torminalis
- sonoran whipsnake
- solicitor general
- solanum burbankii
- solanum aviculare
- soil conservation
- software engineer
- sodium-vapour lamp
- sodium dichromate
- sodium bichromate
- socialist realism
- smooth darling pea
- sleep deprivation
- skillet corn bread
- sitophylus oryzae
- sir thomas raffles
- sir thomas gresham
- sir robert walpole
- sir patrick manson
- sir leonard hutton
- sir francis galton
- sir bernard lovell
- significant other
- showy lady slipper
- short-tailed shrew
- shiitake mushroom
- shellbark hickory
- shell corporation
- sexual perversion
- sexual attraction
- serratus anterior
- septic sore throat
- separation energy
- sensorimotor area
- senecio cineraria
- semantic relation
- selkirk mountains
- self-raising flour
- secondary winding
- seborrheic eczema
- seaside goldenrod
- scomber japonicus
- scilla nonscripta
- scabiosa arvensis
- sarsaparilla root
- saprolegnia ferax
- sao tome e principe
- sanicula europaea
- sandro botticelli
- salvadora persica
- saint christopher
- russian wolfhound
- russian dandelion
- rubus parviflorus
- rosid dicot family
- rorippa islandica
- roman catholicism
- rodya raskolnikov
- road construction
- rima respiratoria
- ribes grossularia
- rhodope mountains
- rhinoceros family
- resting potential
- respiratory tract
- respiratory organ
- research director
- releasing hormone
- registration fire
- reciprocating saw
- recessional march
- rayless chamomile
- rattus norvegicus
- raoulia lutescens
- raoulia australis
- range of mountains
- radioactive waste
- radio transmitter
- quercus mongolica
- quercus arizonica
- quercus agrifolia
- quartz oscillator
- python variegatus
- pyroligneous acid
- pyotr tchaikovsky
- psychoactive drug
- psophia crepitans
- przewalski's horse
- przevalski's horse
- prunus ilicifolia
- prumnopitys amara
- protium guianense
- protea cynaroides
- properly speaking
- pronominal phrase
- progressive party
- professional golf
- procavia capensis
- price of admission
- press association
- president madison
- prairie sunflower
- prairie cordgrass
- potassium muriate
- potassium bromide
- postmature infant
- pond-scum parasite
- pomoxis annularis
- polysyllabic word
- polysemantic word
- polygala vulgaris
- poisonous parasol
- poison arrow plant
- point of periapsis
- plastering trowel
- planococcus citri
- pistia stratoites
- pistia stratiotes
- pinus quadrifolia
- pieris floribunda
- physical exertion
- physalis pruinosa
- physalis ixocarpa
- phlomis fruticosa
- phalaris tuberosa
- petronius arbiter
- peter tchaikovsky
- personal identity
- personal equation
- pernicious anemia
- peripheral vision
- penstemon palmeri
- pellitory-of-spain
- patriarchal cross
- patagonian desert
- passive transport
- passive subwoofer
- passiflora edulis
- passer domesticus
- parophrys vitulus
- park commissioner
- paris quadrifolia
- paradoxical sleep
- overstuffed chair
- ostrya virginiana
- osseous labyrinth
- osculating circle
- ormosia coarctata
- oriental scops owl
- organic structure
- organic chemistry
- order testudinata
- order scorpionida
- order scleroparei
- order pterosauria
- order marsupialia
- order marattiales
- order insectivora
- order hypericales
- order gentianales
- order gaviiformes
- order erysiphales
- order equisetales
- order cordaitales
- order coniferales
- orbignya spesiosa
- orb-weaving spider
- optical condenser
- operating surgeon
- old world crayfish
- old irish language
- oil-hardened steel
- off-axis reflector
- oenothera biennis
- odontaspis taurus
- ochotona collaris
- observation tower
- numeration system
- numenius borealis
- nuclear terrorism
- nuclear explosion
- notornis mantelli
- northern sea robin
- northern marianas
- nonpasserine bird
- no fault insurance
- nitrous bacterium
- nitrogen narcosis
- nilgiri mountains
- nicotiana rustica
- news organization
- nellie tayloe ross
- natural selection
- nasolacrimal duct
- myxinikela siroka
- multistage rocket
- mountain starwort
- mountain sandwort
- monarda fistulosa
- moehringia mucosa
- missippian period
- mineral resources
- military hospital
- mexican sunflower
- metalworking vise
- metabolic process
- meadow cranesbill
- master of fine arts
- master of divinity
- marasmius oreades
- maraschino cherry
- manner of speaking
- malthusian theory
- lyonia ligustrina
- lychnis coronaria
- lower-middle-class
- louis xvi of france
- louis xiv of france
- louis xii of france
- louis iii of france
- looking glass tree
- loggerhead shrike
- logarithmic scale
- lister cultivator
- linear regression
- line organisation
- lincoln's birthday
- lewis henry morgan
- lespedeza bicolor
- leonurus cardiaca
- learning disorder
- law of segregation
- lathyrus nissolia
- lasiurus borealis
- lambertia formosa
- kurdish hezbollah
- king of the germans
- king james version
- keratosis pilaris
- juniperus procera
- joseph banks rhine
- james riddle hoffa
- jacques bernoulli
- ixodes scapularis
- iris foetidissima
- ipomoea pes-caprae
- ion-exchange resin
- involuntary trust
- inverse cotangent
- intermediate host
- insurance company
- inspector general
- infrared emission
- indian rhinoceros
- in great confusion
- implosion therapy
- image compression
- illiterate person
- hypoplastic dwarf
- hypophysial dwarf
- hypochlorous acid
- hypericum ascyron
- hungarian goulash
- homeland security
- holothuria edulis
- historical school
- histamine blocker
- hirundo nigricans
- hippotragus niger
- hieracium venosum
- heuristic program
- hermann minkowski
- henrik johan ibsen
- harmonic analysis
- hakea lissosperma
- hairy honeysuckle
- hairy golden aster
- gymnosperm family
- grindelia robusta
- grevillea robusta
- grains of paradise
- gracula religiosa
- gooseberry family
- going to jerusalem
- gloxinia perennis
- gioachino rossini
- gerbera jamesonii
- genus volvariella
- genus trichostema
- genus trichomonas
- genus trachinotus
- genus spirochaeta
- genus sclerotinia
- genus sarcophilus
- genus sarcocystis
- genus sarcochilus
- genus saprolegnia
- genus richmondena
- genus rhizoctinia
- genus pyrrhuloxia
- genus pterocnemia
- genus pseudolarix
- genus phthorimaea
- genus pelargonium
- genus parkinsonia
- genus nitrobacter
- genus microgramma
- genus macrocheira
- genus loiseleuria
- genus litocranius
- genus lithocarpus
- genus lastreopsis
- genus hypochaeris
- genus hydrocharis
- genus hippotragus
- genus heliobacter
- genus heliamphora
- genus groenlandia
- genus globigerina
- genus galeorhinus
- genus fothergilla
- genus formicarius
- genus dictyophera
- genus dialeurodes
- genus cryptomeria
- genus cortinarius
- genus convallaria
- genus coniogramme
- genus cochlearius
- genus ceratozamia
- genus castoroides
- genus casmerodius
- genus capricornis
- genus callorhinus
- genus callimorpha
- genus calceolaria
- genus blandfordia
- genus bacteroides
- genus atrichornis
- genus aristotelia
- genus archilochus
- genus archaeornis
- genus arabidopsis
- genus anisotremus
- genus agriocharis
- genus actinomeris
- genus acrostichum
- genus acroclinium
- genista tinctoria
- gastric digestion
- gallinaceous bird
- gabonese republic
- fuel-air explosive
- from pillar to post
- franz joseph kline
- francois duvalier
- francois couperin
- francis hopkinson
- forssman antibody
- formica sanguinea
- florist's gloxinia
- florida strap fern
- fissure of rolando
- first law of motion
- first baron lytton
- first baron kelvin
- fire and brimstone
- female aristocrat
- feast of sacrifice
- feast of dormition
- family strombidae
- family scombridae
- falco columbarius
- fagus grandifolia
- explorer's gentian
- exclusionary rule
- european tortoise
- eurasian woodcock
- euphorbia villosa
- euphorbia medusae
- euphorbia fulgens
- eucerin anhydrous
- estimation theory
- espionage network
- erysimum allionii
- erodium moschatum
- erigeron glaucous
- emotional arousal
- elisha graves otis
- eleocharis dulcis
- electronic signal
- elaeostearic acid
- eastern poison oak
- ductus arteriosus
- drymarchon corais
- drop by the wayside
- dramatis personae
- douglas fairbanks
- douay-rheims bible
- doctor of fine arts
- doberman pinscher
- division protista
- district attorney
- dioscorea trifida
- differential cost
- dialeurodes citri
- denisonia superba
- dendroica striate
- david roland smith
- david rittenhouse
- cytisus scoparius
- cruciferous plant
- criminal congress
- cretaceous period
- cotinus coggygria
- corylus americana
- cornus canadensis
- coracias garrulus
- copernican system
- coordinate system
- coordinate clause
- cookie jar reserve
- conversion factor
- contrast material
- computer graphics
- compression ratio
- composition board
- compensatory time
- commercial artist
- collinsia bicolor
- coleus aromaticus
- close corporation
- clitocybe robusta
- class ophiuroidea
- cirsium flodmanii
- chronic gastritis
- christmas begonia
- christian holy day
- christian doppler
- chino-japanese war
- chinese alligator
- chicken casserole
- cercospora kopkei
- ceratonia siliqua
- cellulose nitrate
- celestial horizon
- celestial equator
- castor canadensis
- cassia roxburghii
- casmerodius albus
- cash reserve ratio
- carya cordiformis
- cartesian product
- carolina moonseed
- carolina allspice
- carnivorous plant
- carissa bispinosa
- career counseling
- cardiogenic shock
- cardinal grosbeak
- cardamine bulbosa
- capsula glomeruli
- capparis flexuosa
- cape breton island
- capacitive sensor
- canis lupus arctos
- caesarian section
- caesarean section
- bushytail woodrat
- burkina faso franc
- bufo microscaphus
- buccinator muscle
- broadcast station
- brisbane quandong
- brassia verrucosa
- bourguignon sauce
- boswellia carteri
- booster amplifier
- boletus mirabilis
- blood transfusion
- blatta orientalis
- bilocular capsule
- bicolor lespediza
- benedict of nursia
- begonia socotrana
- battle of poitiers
- base of operations
- auxiliary storage
- automatic toaster
- authorized shares
- augustinian order
- astronomical year
- aster cordifolius
- assumption of mary
- assistant foreman
- aspidistra elatio
- asiatic shrew mole
- asiatic cockroach
- artistic movement
- arteria femoralis
- arrow-grass family
- arcus zygomaticus
- aotus trivirgatus
- antonio ghislieri
- antoine lavoisier
- anti-virus program
- anterior synechia
- antelope squirrel
- andrew's clintonia
- amorpha fruticosa
- amoebic dysentery
- american wormseed
- american mastodon
- amaterasu omikami
- alligator snapper
- alaska rein orchid
- agrostis nebulosa
- agropyron smithii
- african love grass
- aerosol container
- adverse selection
- adverbial of cause
- adventitious root
- adhesion contract
- addison's syndrome
- actinic keratosis
- absorption factor
- absolute majority