16-Letter Words Containing: R,O,U
(In Any Order)
There are 406 16 letter words,
1,062 16 letter phrases and
0 16 letter abbr's with
R,O,U 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 (406)
- autobiographical
- multimillionaire
- counterterrorist
- neurotransmitter
- transilluminator
- underdevelopment
- counterclockwise
- australopithecus
- counterterrorism
- counteroffensive
- countersignature
- undernourishment
- counterintuitive
- counterespionage
- chemotherapeutic
- unreasonableness
- nonrevolutionary
- multidirectional
- denaturalization
- uncompromisingly
- presumptuousness
- journalistically
- extemporaneously
- overenthusiastic
- unprofessionally
- neuropsychiatric
- incorruptibility
- authoritarianism
- worshipfulnesses
- vociferousnesses
- victoriousnesses
- vascularizations
- vaingloriousness
- uproariousnesses
- universalization
- unidirectionally
- ungraciousnesses
- underutilization
- underproductions
- underestimations
- underemployments
- umbrageousnesses
- ultrasonographic
- ultrasonographer
- ultraprogressive
- ultraparadoxical
- ultranationalist
- ultramicrotomies
- ultramicroscopes
- ultramarathoners
- ultrafiltrations
- turbomachineries
- tumorigenicities
- trinitrotoluenes
- trifluoperazines
- triboluminescent
- tremendousnesses
- transfigurations
- thermoregulatory
- thermoregulators
- thermoregulation
- thermoregulating
- tetrahydrofurans
- technostructures
- surefootednesses
- supranationality
- supranationalist
- supranationalism
- supportivenesses
- supportabilities
- superspeculation
- supersaturations
- superromanticism
- superpatriotisms
- supernormalities
- supermillionaire
- superimpositions
- superheterodynes
- supergovernments
- supercorporation
- supercompetitive
- supercomfortable
- superbillionaire
- suburbanizations
- subprofessionals
- suborganizations
- submitochondrial
- subcontraoctaves
- stereoregularity
- southwesternmost
- southeasternmost
- soporiferousness
- slanderousnesses
- sesquicarbonates
- scurrilousnesses
- scrupulousnesses
- sclerenchymatous
- salubriousnesses
- roundaboutnesses
- robustiousnesses
- ridiculousnesses
- revisualizations
- resurrectionists
- requalifications
- remorsefulnesses
- redistributional
- recontextualizes
- recontextualized
- reconfigurations
- reconceptualizes
- reconceptualized
- rebelliousnesses
- reauthorizations
- rampageousnesses
- rambunctiousness
- radioautographic
- quasiperiodicity
- quadruplications
- pyrometallurgies
- purposefulnesses
- pseudoparenchyma
- prussianizations
- protrusivenesses
- prosperousnesses
- propitiousnesses
- pronunciamentoes
- pronounceability
- productivenesses
- prodigiousnesses
- presuppositional
- prerevolutionary
- prequalification
- preposterousness
- predaceousnesses
- precociousnesses
- precariousnesses
- postresurrection
- portentousnesses
- pleuropneumonias
- photoproductions
- photomultipliers
- photojournalists
- photojournalisms
- photoautotrophic
- phenylketonurics
- phenylketonurias
- pertinaciousness
- perniciousnesses
- perfidiousnesses
- papillomaviruses
- overutilizations
- oversubscription
- overstimulations
- overspeculations
- overcultivations
- overconsumptions
- overconstructing
- overcommunicates
- overcommunicated
- overarticulating
- overaccentuating
- outrageousnesses
- outdoorsmanships
- organophosphorus
- organomercurials
- obstructionistic
- nutritiousnesses
- nonmanufacturing
- noninstructional
- nondocumentaries
- nondestructively
- nonconstructions
- nonauthoritarian
- nonarchitectures
- neuroradiologist
- neuroradiologies
- neurophysiologic
- neuropathologist
- neuropathologies
- neurohypophysial
- neurohypophyseal
- neurochemistries
- mysteriousnesses
- multiprocessings
- multifactorially
- multibillionaire
- misdistributions
- misconstructions
- miraculousnesses
- miniaturizations
- microvasculature
- micropublishings
- micromanipulator
- microinstruction
- microencapsulate
- microearthquakes
- microcirculatory
- microcirculation
- microcircuitries
- malodorousnesses
- maldistributions
- macroinstruction
- lymphogranulomas
- lugubriousnesses
- leukodystrophies
- jurisdictionally
- irresolutenesses
- intramolecularly
- intracutaneously
- interstimulation
- intermolecularly
- intermodulations
- intercommunities
- insurrectionists
- insubordinations
- instrumentations
- ingloriousnesses
- indecorousnesses
- incommensurables
- imperviousnesses
- immunosuppresses
- immunoregulatory
- immunoregulation
- immunoreactivity
- immunomodulatory
- immunomodulators
- idolatrousnesses
- hypopituitarisms
- hyperstimulation
- hyperproductions
- hyperinvolutions
- hyperfunctioning
- harmoniousnesses
- groundlessnesses
- gregariousnesses
- gratuitousnesses
- fortuitousnesses
- formularizations
- forethoughtfully
- fluoroscopically
- extraneousnesses
- embourgeoisement
- electrosurgeries
- electrooculogram
- electrohydraulic
- electroacoustics
- diverticulosises
- distributorships
- disequilibration
- discourteousness
- disarticulations
- deuterocanonical
- desulfurizations
- dessertspoonsful
- dessertspoonfuls
- depressurization
- denuclearization
- decarburizations
- daguerreotypists
- curmudgeonliness
- cumbersomenesses
- courageousnesses
- counterweighting
- counterviolences
- countertradition
- counterstatement
- counterresponses
- counterreformers
- counterreactions
- counterquestions
- counterproposals
- counterpressures
- counterpicketing
- counterpetitions
- countermovements
- counterirritants
- counterinstances
- counterinfluence
- counterinflation
- counterincentive
- counterguerrilla
- counterguerillas
- counterevidences
- countercurrently
- counterculturist
- countercriticism
- countercomplaint
- countercampaigns
- counterblockades
- counterblockaded
- counterbalancing
- counterattacking
- counterattackers
- counterarguments
- corruptibilities
- constructionists
- constructionally
- connoisseurships
- computerizations
- communitarianism
- commensurability
- circumvallations
- circumscriptions
- circumnavigators
- circumambulation
- circularizations
- circuitousnesses
- chivalrousnesses
- chemoautotrophic
- censoriousnesses
- capriciousnesses
- cantankerousness
- boisterousnesses
- avariciousnesses
- autotransfusions
- autotransformers
- autocorrelations
- antituberculosis
- antireductionist
- antireductionism
- antievolutionary
- unscrupulousness
- unsatisfactorily
- unresponsiveness
- unpropitiousness
- unprofitableness
- unproductiveness
- unneighborliness
- unimpressionable
- unforethoughtful
- unfavourableness
- undemocratically
- uncomprehensible
- uncommercialized
- uncommercialised
- ultranationalism
- ultramicroscopic
- tripleurospermum
- trifluoromethane
- thought-provoking
- suprarenalectomy
- superfecundation
- superciliousness
- struthioniformes
- stoutheartedness
- square-shouldered
- spiritualization
- spiritualisation
- self-renunciation
- scrophulariaceae
- sacrilegiousness
- recurvirostridae
- radioimmunoassay
- pseudoscorpiones
- pseudoperipteral
- propylthiouracil
- plicatoperipatus
- pleurobrachiidae
- parsimoniousness
- pachycephalosaur
- one-quadrillionth
- obstreperousness
- neurolinguistics
- neuroepithelioma
- multiprogramming
- multifariousness
- multi-billionaire
- mispronunciation
- metallic-coloured
- meretriciousness
- knockdown-dragout
- introductoriness
- intercommunicate
- insalubriousness
- inharmoniousness
- immunosuppressor
- immunosuppressed
- heterometabolous
- hemimetamorphous
- gynandromorphous
- granulocytopenia
- grade-constructed
- good-humouredness
- foresightfulness
- equidistribution
- ephippiorhynchus
- deconstructivism
- cytoarchitecture
- counterinsurgent
- counterchallenge
- constructiveness
- configurationism
- commensurateness
- circumnavigation
- cinnamon-coloured
- chestnut-coloured
- caryophyllaceous
- caprimulgiformes
- bronchopneumonia
- brightly-coloured
- autoradiographic
- autofluorescence
- atrioventricular
- anthropomorphous
- anarcho-communism
- ambidextrousness
Phrases (1062)
- zonal pelargonium
- zirconium dioxide
- yeoman of the guard
- wuhan coronavirus
- wisdom literature
- winston churchill
- william burroughs
- w. somerset maugham
- volcanic eruption
- visual perception
- viscountess astor
- victoria woodhull
- very low frequency
- valuation reserve
- upper paleolithic
- uneducated person
- tyrannosaurus rex
- turkoman language
- turcoman language
- tsuga caroliniana
- triticum dicoccum
- throw out of kilter
- thomas hunt morgan
- thai monetary unit
- telephone circuit
- supreme authority
- sugar ray robinson
- suborder prosimii
- suborder passeres
- storage warehouse
- statutory offence
- stannous fluoride
- southern flounder
- southern dewberry
- solanum tuberosum
- sir richard burton
- simone de beauvoir
- shrubby penstemon
- sexual immorality
- sermon on the mount
- seleucus i nicator
- saxicola torquata
- sauropod dinosaur
- sambucus racemosa
- rutherford b. hayes
- rubus chamaemorus
- roman inquisition
- rocket propulsion
- rheims-douay bible
- resurrection fern
- republic of malawi
- republic of angola
- religious service
- religious outcast
- religious holiday
- reflexive pronoun
- range of a function
- quentin tarantino
- quaternary period
- purchase contract
- puerto rico trench
- pterocles indicus
- psidium littorale
- potassium nitrate
- portuguese guinea
- portable computer
- population growth
- polyborus plancus
- point of departure
- podocarpus family
- piece of furniture
- phylum arthropoda
- personal judgment
- personal business
- pan american union
- out of the ordinary
- origanum majorana
- order of magnitude
- odobenus rosmarus
- obstructive shock
- nonvascular plant
- nontextual matter
- nevil shute norway
- neuroleptic agent
- nervus hypoglosus
- natural logarithm
- natural endowment
- natural elevation
- naemorhedus goral
- muscicapa grisola
- mount bartle frere
- molecular formula
- mephitis macroura
- material resource
- malarial mosquito
- macro instruction
- luciano pavarotti
- loxia curvirostra
- louis vii of france
- louis isadore kahn
- lighthouse keeper
- library catalogue
- lena calhoun horne
- league of iroquois
- joseph schumpeter
- italian greyhound
- island of guernsey
- instrumental role
- information audit
- hungarian pointer
- horseradish sauce
- hand-held computer
- get under one's skin
- gerardus mercator
- georgian language
- george walker bush
- george herman ruth
- genus zonotrichia
- genus xyphophorus
- genus troglodytes
- genus trichophaga
- genus trichomanes
- genus triceratops
- genus thryothorus
- genus ptilocercus
- genus procellaria
- genus proboscidea
- genus phoenicurus
- genus orycteropus
- genus myrmecobius
- genus limnodromus
- genus istiophorus
- genus hygrophorus
- genus hydromantes
- genus elaeocarpus
- genus dipsosaurus
- genus dermochelys
- genus dendrolagus
- genus dendroaspis
- genus crotaphytus
- genus crassostrea
- genus calochortus
- genus antilocapra
- genus angiopteris
- genus ancistrodon
- genus agkistrodon
- furniture company
- french revolution
- freedom of thought
- francois truffaut
- force per unit area
- food manufacturer
- fissure of sylvius
- financial support
- fibrous astrocyte
- family mucoraceae
- family fulgoridae
- faeroese language
- exponential curve
- excretory product
- european flatfish
- eugene victor debs
- equinoctial storm
- eleusine coracana
- double refraction
- double gloucester
- dimocarpus longan
- datura stramonium
- cygnus buccinator
- current collector
- curcuma domestica
- crotalus cerastes
- creature comforts
- coturnix coturnix
- coturnix communis
- corvus frugilegus
- coral honeysuckle
- consumer durables
- computer software
- computer readable
- cock-and-bull story
- circular function
- cichorium intybus
- cichorium endivia
- cellular division
- cardiac glucoside
- capital of uruguay
- capital of hungary
- capital of ecuador
- capital of burundi
- capital of belarus
- capital of austria
- calocarpum zapota
- business relation
- broad buckler-fern
- brassica rapa ruvo
- board of education
- bluegrass country
- battle of omdurman
- badminton racquet
- background signal
- autogenic therapy
- australian dollar
- atrium of the heart
- astronomical unit
- asian black grouse
- articulatio genus
- articulatio coxae
- arthur robert ashe
- argillaceous rock
- arapahoe language
- aquila chrysaetos
- apothecaries' unit
- ammotragus lervia
- ammonium chloride
- american foxhound
- aluminum chloride
- alnus rhombifolia
- agent provocateur
- act involuntarily
- across the country
- acoustic spectrum
- achromatic colour
- zoarces viviparus
- yugoslavian dinar
- yucca carnerosana
- yorkshire pudding
- yellow journalism
- xerophyllum tenax
- xerophilous plant
- wrong-site surgery
- work-study program
- western box turtle
- walter rudolf hess
- voltage regulator
- violet suksdorfia
- victor emanuel iii
- viburnum trilobum
- venous thrombosis
- varanus niloticus
- value orientation
- vacuum aspiration
- urosaurus ornatus
- urogenital system
- urocystis tritici
- urocystis cepulae
- urinary retention
- urge incontinence
- upholstery needle
- unpleasant person
- universal solvent
- ungrateful person
- unemployment rate
- unemployed person
- undulatory theory
- underground press
- umbrella magnolia
- ultraviolet light
- ulmus crassifolia
- tussilago farfara
- turtleneck collar
- turn of the century
- turn of expression
- turdus viscivorus
- turdus philomelos
- trust corporation
- trifolium alpinum
- tricholoma irinum
- triaenodon obseus
- tragopogon dubius
- tontine insurance
- togolese republic
- tincture of iodine
- thoroughbred race
- thomas straussler
- theropod dinosaur
- thermal pollution
- teres minor muscle
- teres major muscle
- temporalis muscle
- tarpon atlanticus
- taricha granulosa
- systolic pressure
- synchronous motor
- suspension bridge
- surgical incision
- surface condenser
- supraorbital vein
- superior vena cava
- superfund program
- sunflower-seed oil
- summer damask rose
- suction curettage
- suborder natantia
- submarine torpedo
- sterculia foetida
- stegosaur stenops
- statutory offense
- spondias purpurea
- spodoptera exigua
- spiritual bouquet
- speech production
- specious argument
- southwestern toad
- southern triangle
- southern rhodesia
- southern red cedar
- southern magnolia
- southern harebell
- southern blue flag
- south platte river
- sorghum halepense
- sorbus torminalis
- sorbus sitchensis
- sonchus oleraceus
- soldier of fortune
- solanum rostratum
- solanum dulcamara
- solanum burbankii
- solanum aviculare
- sodium-vapour lamp
- sodium dichromate
- sodium bichromate
- smoothhound shark
- slow-burning stove
- sitophylus oryzae
- sir leonard hutton
- single-furrow plow
- siege of vicksburg
- shoestring fungus
- shiitake mushroom
- sexual perversion
- sexual attraction
- serratus anterior
- september equinox
- seneca the younger
- selkirk mountains
- self-raising flour
- security director
- second-degree burn
- screen background
- scourge of the gods
- scomber japonicus
- scalenus syndrome
- sauromalus obesus
- sanicula europaea
- sanctum sanctorum
- samuel rosenstock
- russo-japanese war
- russian wolfhound
- russian dandelion
- rupicola rupicola
- rule of morphology
- ruhollah khomeini
- rubus parviflorus
- rubus cuneifolius
- round-bottom flask
- rough-skinned newt
- rough-leaved aster
- rose louise hovick
- romanian language
- rocky mountain jay
- road construction
- righteye flounder
- ribes grossularia
- rhodope mountains
- rheumatoid factor
- rheum rhaponticum
- returning officer
- republic of zambia
- republic of uganda
- republic of turkey
- republic of poland
- republic of panama
- republic of latvia
- republic of guinea
- republic of cyprus
- reproductive cell
- reproduction cost
- religious writing
- regulatory agency
- red-spotted purple
- recursive routine
- recreational drug
- rattus norvegicus
- raoulia lutescens
- raoulia australis
- range of mountains
- quercus prinoides
- quercus mongolica
- quercus kelloggii
- quercus arizonica
- quercus agrifolia
- quellung reaction
- queensboro bridge
- quartz oscillator
- python variegatus
- pyroligneous acid
- purple granadillo
- puppet government
- pulmonary reserve
- pulmonary anthrax
- puebla de zaragoza
- public prosecutor
- psychoactive drug
- prunus subcordata
- prunus ilicifolia
- prunus glandulosa
- prumnopitys amara
- protium guianense
- protestant church
- propulsion system
- primula polyantha
- previous question
- prescription drug
- prairie sunflower
- prairie gourd vine
- powder metallurgy
- potato wart fungus
- potassium muriate
- potassium bromide
- postmature infant
- postcentral gyrus
- portuguese escudo
- porterhouse steak
- pond-scum parasite
- pomoxis annularis
- polyurethane foam
- polypodium aureum
- polygala vulgaris
- poisonous parasol
- podocarpus totara
- podocarpus elatus
- pocket calculator
- plutonium trigger
- plumbago europaea
- plexus choroideus
- platanus racemosa
- planococcus citri
- pitymys pinetorum
- pinus quadrifolia
- pincushion flower
- pilea involucrata
- pieris floribunda
- physalis pruinosa
- phylum pyrrophyta
- phylum entoprocta
- phylum ectoprocta
- phylum ctenophora
- photo opportunity
- phlomis fruticosa
- phlebodium aureum
- phalaris tuberosa
- petty bourgeoisie
- petronius arbiter
- petroleum geology
- personal equation
- personal computer
- pernicious anemia
- peptic ulceration
- pellaea mucronata
- peculiar velocity
- peacock butterfly
- passive subwoofer
- passiflora edulis
- passer domesticus
- parophrys vitulus
- paris quadrifolia
- pagophila eburnea
- oxford university
- overstuffed chair
- our lady's bedstraw
- osseous labyrinth
- osmerus eperlanus
- osculating circle
- organic structure
- organic evolution
- order testudinata
- order pterosauria
- order marsupialia
- order juglandales
- order eurypterida
- order equisetales
- orange volunteers
- orange peel fungus
- operating surgeon
- open-heart surgery
- one hundred twenty
- one hundred thirty
- one hundred ninety
- one hundred eighty
- oncorhynchus keta
- olive-drab uniform
- old norse language
- old irish language
- odontaspis taurus
- ocyurus chrysurus
- numeration system
- numenius borealis
- nuclear terrorism
- nuclear resonance
- nuclear explosion
- notropis cornutus
- notebook computer
- nontricyclic drug
- nodding groundsel
- no fault insurance
- nitrous bacterium
- nilgiri mountains
- nicotiana rustica
- neutron radiation
- nervous breakdown
- natural selection
- natural resources
- natural enclosure
- nasotracheal tube
- nasolacrimal duct
- murder conviction
- multistage rocket
- multiplier factor
- mouse-ear hawkweed
- mountain starwort
- mountain sandwort
- mountain male fern
- mount kilimanjaro
- mouldboard plough
- motion-picture fan
- morone interrupta
- montezuma cypress
- monocarpous plant
- monetary resource
- monarda fistulosa
- monarch butterfly
- molecular biology
- moehringia mucosa
- modest mussorgsky
- mockernut hickory
- missouri primrose
- mineral resources
- mexican sunflower
- mercury-vapor lamp
- mercury poisoning
- mercury barometer
- mercuric chloride
- medical procedure
- maurice barrymore
- mary queen of scots
- marshmallow fluff
- maricopa language
- marasmius oreades
- manufactured home
- malthusian theory
- malignant neuroma
- lyonia ligustrina
- lycopus europaeus
- luggage carrousel
- lowbush cranberry
- low-bush blueberry
- louis xvi of france
- louis xiv of france
- louis xii of france
- louis iii of france
- lotus berthelotii
- loggerhead turtle
- little sioux river
- lithium carbonate
- lister cultivator
- ligustrum ibolium
- leonurus cardiaca
- leonotis leonurus
- lentiform nucleus
- lemon meringue pie
- lefteyed flounder
- lazarus of bethany
- lathyrus odoratus
- lathyrus nissolia
- lasiurus borealis
- largemouthed bass
- langue d'oil french
- kurdish hezbollah
- kuiper belt object
- juniperus procera
- junior high school
- judicial doctrine
- juan ramon jimenez
- juan domingo peron
- jonathan trumbull
- john foster dulles
- jacques bernoulli
- ixodes scapularis
- ixobrychus exilis
- isurus oxyrhincus
- isthmus of corinth
- irrational number
- iron group element
- irene joliot-curie
- involuntary trust
- insurance company
- induction of labor
- indian button fern
- indecent exposure
- incubation period
- in great confusion
- iliolumbar artery
- hypochlorous acid
- hypericum ascyron
- hydrogen fluoride
- hydrofluoric acid
- hungarian goulash
- hub of the universe
- house of lancaster
- house of ill repute
- house of burgesses
- honduras rosewood
- honduras mahogany
- homeland security
- home equity credit
- holothuria edulis
- hirundo nigricans
- hippotragus niger
- hieracium venosum
- heuristic program
- henry louis gehrig
- hedysarum boreale
- hairy honeysuckle
- habitual abortion
- gyromitra brunnea
- gulf of st. lawrence
- gulf of california
- guibert of ravenna
- guglielmo marconi
- group amentiferae
- groundwater level
- grindelia robusta
- grevillea robusta
- greenland caribou
- greenhouse effect
- green adder's mouth
- grasshopper mouse
- grass-of-parnassus
- gracula religiosa
- gouverneur morris
- golden marguerite
- going to jerusalem
- globular pearlite
- geum macrophyllum
- george huntington
- genus xerophyllum
- genus xenorhyncus
- genus xanthorroea
- genus volvariella
- genus vespertilio
- genus trichosurus
- genus trichostema
- genus trichomonas
- genus trichoceros
- genus trachinotus
- genus taurotragus
- genus stylophorum
- genus stenocarpus
- genus stegosaurus
- genus spirochaeta
- genus selenarctos
- genus scomberesox
- genus sclerotinia
- genus scleropages
- genus scleroderma
- genus saurosuchus
- genus sarcostemma
- genus sarcophilus
- genus sarcocystis
- genus sarcochilus
- genus saprolegnia
- genus richmondena
- genus rhizoctinia
- genus pyrrhuloxia
- genus ptilocrinus
- genus pterostylis
- genus pterocnemia
- genus pterocarpus
- genus pseudolarix
- genus prumnopitys
- genus protohippus
- genus prociphilus
- genus pomacentrus
- genus pleurosorus
- genus pinnotheres
- genus phylloporus
- genus phthorimaea
- genus phegopteris
- genus pharomacrus
- genus petrocoptis
- genus peronospora
- genus perognathus
- genus peristedion
- genus pelargonium
- genus parkinsonia
- genus parascalops
- genus paradoxurus
- genus oryctolagus
- genus orectolobus
- genus nothosaurus
- genus nitrobacter
- genus nephrolepis
- genus naemorhedus
- genus micruroides
- genus microstomus
- genus microsporum
- genus microsorium
- genus micropterus
- genus microgramma
- genus micrococcus
- genus mastotermes
- genus macrotyloma
- genus macronectes
- genus macroclemys
- genus macrocheira
- genus lophophorus
- genus loiseleuria
- genus litocranius
- genus lithocarpus
- genus leptopteris
- genus latrodectus
- genus lastreopsis
- genus lagenophera
- genus kinosternon
- genus iridoprocne
- genus hypochoeris
- genus hypochaeris
- genus hydrocharis
- genus hydnocarpus
- genus hyalosperma
- genus holocentrus
- genus hippotragus
- genus hippocrepis
- genus hexagrammos
- genus heterotheca
- genus heteromeles
- genus heliobacter
- genus heliamphora
- genus groenlandia
- genus goniopteris
- genus globigerina
- genus gerrhonotus
- genus galeorhinus
- genus fothergilla
- genus formicarius
- genus exaeretodon
- genus erythronium
- genus eriophyllum
- genus eriodictyon
- genus eburophyton
- genus doryopteris
- genus dictyophera
- genus dicrostonyx
- genus dialeurodes
- genus dermacentor
- genus dendromecon
- genus cystopteris
- genus cyphomandra
- genus cyclopterus
- genus cyclophorus
- genus cryptomeria
- genus cotoneaster
- genus coryphantha
- genus cortinarius
- genus convallaria
- genus conospermum
- genus coniogramme
- genus cochlearius
- genus clostridium
- genus citroncirus
- genus cistothorus
- genus chrysophrys
- genus chrysolepis
- genus chloroxylon
- genus chloranthus
- genus ceratozamia
- genus ceratopogon
- genus centropomus
- genus castoroides
- genus casmerodius
- genus carpobrotus
- genus carcharodon
- genus capricornis
- genus camptosorus
- genus callorhinus
- genus callimorpha
- genus calceolaria
- genus blandfordia
- genus bacteroides
- genus austrotaxus
- genus atrichornis
- genus astrophyton
- genus aristotelia
- genus archosargus
- genus archilochus
- genus archaeornis
- genus arabidopsis
- genus aporocactus
- genus apatosaurus
- genus antheropeas
- genus anisotremus
- genus amauropelta
- genus agriocharis
- genus aglaomorpha
- genus actinomeris
- genus acrostichum
- genus acroclinium
- genus acokanthera
- genus acocanthera
- gallinaceous bird
- gabonese republic
- full-dress uniform
- fuel-air explosive
- friend of the court
- francois duvalier
- francois couperin
- fourteenth salary
- four-stroke engine
- four-o'clock family
- four-lined leaf bug
- four-centered arch
- formosan language
- formica sanguinea
- fool's huckleberry
- florida gallinule
- flacourtia indica
- flacourtia family
- fixed-point number
- fistulous withers
- fissure of rolando
- fetal circulation
- family portunidae
- family colubridae
- family brotulidae
- falco columbarius
- fagus grandifolia
- explosive mixture
- executive routine
- executive program
- executive officer
- exclusionary rule
- european tortoise
- european sea eagle
- european sea bream
- european red elder
- european nuthatch
- european nightjar
- european hornbeam
- european field elm
- european dogtooth
- european dewberry
- european chestnut
- european brown bat
- european barberry
- eurasian woodcock
- euphorbia villosa
- euphorbia medusae
- euphorbia fulgens
- euphorbia dentata
- eucerin anhydrous
- esophageal reflux
- erysimum allionii
- erodium moschatum
- ernest rutherford
- eriogonum allenii
- erigeron glaucous
- equatorial guinea
- equal opportunity
- endurance contest
- endotracheal tube
- employee turnover
- empirical formula
- emperor butterfly
- emotional arousal
- emission spectrum
- eleocharis dulcis
- electronic stylus
- electrical outlet
- edmond de goncourt
- early-morning hour
- duke of cumberland
- ductus arteriosus
- duchess of windsor
- duchess of ferrara
- drinking fountain
- douglas macarthur
- douglas fairbanks
- double-furrow plow
- douay-rheims bible
- dolichos biflorus
- diurnal variation
- distributor point
- distribution list
- distribution cost
- dispersion medium
- dino paul crocetti
- dialeurodes citri
- desmodus rotundus
- desert four o'clock
- denisonia superba
- denatured alcohol
- david rittenhouse
- datura suaveolens
- dartmouth college
- daniel rutherford
- cytisus scoparius
- cyril lodowic burt
- cynopterus sphinx
- cutaneous anthrax
- cushing's syndrome
- cultural movement
- cultivated carrot
- cruciferous plant
- croquet equipment
- cretaceous period
- course of lectures
- county courthouse
- cotinus coggygria
- cost-plus contract
- corylus americana
- coronary care unit
- cornus canadensis
- coracias garrulus
- coordinate clause
- consumer research
- connecticut river
- computer language
- computer keyboard
- computer industry
- computer hardware
- computer graphics
- computer filename
- computer file name
- computer database
- computer business
- compound interest
- compound fracture
- compound fraction
- complete fracture
- commutative group
- community service
- common nutcracker
- common four-o'clock
- colour television
- colour supplement
- colossus of rhodes
- coleus aromaticus
- cockspur hawthorn
- coccus hesperidum
- cnidoscolus urens
- clitoria turnatea
- clitocybe robusta
- climbing fumitory
- class ophiuroidea
- cirsium flodmanii
- cibotium barometz
- chrysanthemum dog
- chromatin granule
- chocolate truffle
- chlorura chlorura
- chicken roundworm
- cherokee language
- charge of quarters
- cestrum nocturnum
- ceroxylon alpinum
- ceratonia siliqua
- cerastes cornutus
- centrifugal force
- centre of buoyancy
- center of buoyancy
- cellulose nitrate
- cellular concrete
- celestial equator
- cassia roxburghii
- casmerodius albus
- cascara buckthorn
- cartesian product
- carnivorous plant
- career counseling
- cardamine bulbosa
- capsula glomeruli
- capparis flexuosa
- canis lupus arctos
- camphor dune tansy
- calochortus albus
- california redbud
- california nutmeg
- california laurel
- california beauty
- calcium hydroxide
- calcium carbonate
- bushytail woodrat
- burkina faso franc
- bufo microscaphus
- buccinator muscle
- brown rot gummosis
- brooder pneumonia
- brokerage account
- brisbane quandong
- brassia verrucosa
- boutonneuse fever
- bourguignon sauce
- boron trifluoride
- boron counter tube
- boletus mirabilis
- bodo-garo language
- board of trade unit
- blushing mushroom
- blood transfusion
- bitternut hickory
- bilocular capsule
- betula cordifolia
- benedict of nursia
- bedroom furniture
- bedroom community
- bauhinia monandra
- baton rouge bridge
- baroness dudevant
- axial flow turbine
- auxiliary storage
- automobile driver
- automatic toaster
- automatic firearm
- auto manufacturer
- authorized shares
- augustinian order
- audubon's caracara
- auditory modality
- aster cordifolius
- assumption of mary
- articulatio plana
- articulated lorry
- arthur conan doyle
- aromatic compound
- arcus zygomaticus
- aotus trivirgatus
- anti-virus program
- anthrax pneumonia
- antelope squirrel
- annona reticulata
- anaphoric pronoun
- analogue computer
- amorpha fruticosa
- ambulatory plague
- amaterasu omikami
- altostratus cloud
- air national guard
- agrostis nebulosa
- aeonium haworthii
- adverbial of cause
- adventitious root
- adjective pronoun
- adder's tongue fern
- acer macrophyllum
- acceleration unit
- acapulco de juarez
- aby moritz warburg
- absolute majority
- abronia umbellata
- 1st earl of balfour
