20-Letter Words Containing: I,R,R,O
(In Any Order)
There are 67 20 letter words,
584 20 letter phrases and
0 20 letter abbr's with
I,R,R,O in.
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| Word | Save | Length | Usage | Points | Type | ||
|---|---|---|---|---|---|---|---|
We couldn't find any valid Scrabble US words with a length of 20. Try changing the version of the game.
Tip: Scrabble EU allows far more words than US! | |||||||
All 20 Letter Words
Words (67)
- counterrevolutionary
- anthropomorphization
- hypercholesterolemia
- tetrahydrocannabinol
- underrepresentations
- ultrasegregationists
- ultrarevolutionaries
- ultramicroscopically
- ultracentrifugations
- transformationalists
- spectrophotometrical
- spectroheliographies
- spectrofluorometries
- roentgenographically
- representationalists
- representationalisms
- reindustrializations
- radiopharmaceuticals
- photointerpretations
- parathyroidectomized
- paradichlorobenzenes
- overprotectivenesses
- overdifferentiations
- neuropsychiatrically
- neuropharmacologists
- neuropharmacological
- neuroendocrinologist
- neuroendocrinologies
- mischaracterizations
- microphotometrically
- microminiaturization
- microelectrophoretic
- microelectrophoresis
- microelectrophoreses
- microcrystallinities
- irreproachablenesses
- irreconcilablenesses
- interstratifications
- hyperparathyroidisms
- hypercholesterolemic
- hydrochlorothiazides
- glomerulonephritides
- electroretinographic
- electrophotographies
- electrooculographies
- dehydrochlorinations
- crystallographically
- countersurveillances
- counterdemonstrating
- bacteriochlorophylls
- antiauthoritarianism
- anthropocentricities
- adrenocorticotropins
- adrenocorticosteroid
- pseudohermaphroditic
- nephroangiosclerosis
- lipochondrodystrophy
- iodochlorhydroxyquin
- incontrovertibleness
- hyperlipoproteinemia
- hyperadrenocorticism
- electrocardiographic
- counterrevolutionist
- counterdemonstration
- counter-revolutionist
- adrenocorticotrophin
- adrenocorticotrophic
Phrases (584)
- woodrow wilson guthrie
- william lloyd garrison
- william henry harrison
- virgil garnett thomson
- varicella zoster virus
- university of nebraska
- unabridged dictionary
- ukranian monetary unit
- tumour necrosis factor
- transportation system
- theatrical production
- temperature reduction
- suborder strepsirhini
- suborder myxiniformes
- sphenisciform seabird
- south american country
- social justice warrior
- sir karl raimund popper
- sir james george frazer
- sir charles wheatstone
- signature recognition
- sense of right and wrong
- scomberomorus regalis
- scipio africanus major
- samuel rawson gardiner
- saccharum officinarum
- romanian monetary unit
- rocky mountain bighorn
- robert william service
- robert louis stevenson
- richard jordan gatling
- resurrection of christ
- resident commissioner
- requirements contract
- republic of madagascar
- republic of el salvador
- reconstruction period
- racial discrimination
- protective coloration
- professional relation
- principle of parsimony
- prescription medicine
- politically incorrect
- pierre simon de laplace
- peruvian monetary unit
- personality inventory
- personal relationship
- past progressive tense
- paleo-american culture
- order sphenisciformes
- order myxobacteriales
- order mycelia sterilia
- order heterotrichales
- order actinomycetales
- order accipitriformes
- nutritionist's calorie
- nigerian monetary unit
- neisseria gonorrhoeae
- moroccan monetary unit
- mental representation
- master of architecture
- marchantia polymorpha
- lunar excursion module
- ludwig mies van der rohe
- jakob ludwig karl grimm
- interrogative pronoun
- information gathering
- indirect transmission
- hundred-and-forty-fifth
- hugo alvar henrik aalto
- honduran monetary unit
- henri toulouse-lautrec
- hawaiian honeycreeper
- hans christian oersted
- gross national product
- glycerol tripalmitate
- giovanni da verrazzano
- georges henri lemaitre
- george frideric handel
- genus ornithorhynchus
- gaultheria procumbens
- friendly relationship
- frederico garcia lorca
- frankenstein's monster
- fouquieria columnaris
- forficula auricularia
- father of the submarine
- euphorbia pulcherrima
- euphorbia cyathophora
- eleocharis acicularis
- electric refrigerator
- edward williams morley
- dwarf flowering almond
- double-reed instrument
- demonstrative pronoun
- degenerative disorder
- dandie dinmont terrier
- cross-florida waterway
- cortinarius violaceus
- corallorhiza maculata
- contradiction in terms
- conservation of matter
- computer architecture
- common european earwig
- commercial instrument
- commercial enterprise
- christopher isherwood
- charadrius morinellus
- carter administration
- carson smith mccullers
- caprimulgus vociferus
- caprimulgus europaeus
- capital of sierra leone
- broadcast programming
- british pound sterling
- benjamin henry latrobe
- barthold georg niebuhr
- baron snow of leicester
- austrian monetary unit
- artemisia californica
- armenian monetary unit
- archeological remains
- antilocapra americana
- amsinckia grandiflora
- american harvest mouse
- ambrose gwinett bierce
- ambloplites rupestris
- alice malsenior walker
- algerian monetary unit
- alfred north whitehead
- alexander iii of russia
- alessandro cagliostro
- agropyron intermedium
- abortion-inducing drug
- aboriginal australian
- xeroderma pigmentosum
- xanthosoma atrovirens
- world trade center site
- word processing system
- woolsorter's pneumonia
- wire-haired fox terrier
- william richard morris
- william frederick cody
- willard van orman quine
- wilhelm konrad rontgen
- white-throated sparrow
- vesicoureteral reflux
- vermillion flycatcher
- vena supratrochlearis
- vena labialis superior
- vena labialis inferior
- vena facialis anterior
- vena cerebrum superior
- valerianella olitoria
- vaccinium macrocarpon
- universal proposition
- universal product code
- united states air force
- united church of christ
- ultraviolet radiation
- twenty-four hour period
- twelve tribes of israel
- turning and boring mill
- tropical pitcher plant
- tropaeolum peregrinum
- triostium perfoliatum
- trichosurus vulpecula
- trichomanes reniforme
- tribromoethyl alcohol
- transversus abdominis
- transorbital lobotomy
- transcortical aphasia
- track-to-track seek time
- trachinotus carolinus
- toy manchester terrier
- three-banded armadillo
- theory of preformation
- theodore francis powys
- the admirable crichton
- taurotragus derbianus
- tartarian honeysuckle
- systema respiratorium
- synchronous operation
- swainsona grandiflora
- support vector machine
- superior rectus muscle
- superior labial artery
- superior cerebral vein
- subornation of perjury
- suborder sciuromorpha
- suborder plesiosauria
- suborder heterostraci
- suborder cephalaspida
- suborder anthropoidea
- strawberry hemangioma
- steatornis caripensis
- statistical procedure
- standard transmission
- staffordshire terrier
- st. gregory of nazianzen
- spodoptera frugiperda
- split-half correlation
- spiranthes porrifolia
- special-interest group
- spartina cynosuroides
- somatotrophic hormone
- solidago sempervirens
- solid-propellant motor
- soleirolia soleirolii
- social security number
- sir oliver joseph lodge
- sir harold walter kroto
- sir geoffrey wilkinson
- single-propeller plane
- siderochrestic anemia
- short-billed marsh wren
- senior master sergeant
- semiautomatic firearm
- secretary of education
- second earl of guilford
- seborrheic dermatitis
- scutigera coleoptrata
- scleroderma flavidium
- scleroderma aurantium
- scheduled territories
- scabiosa atropurpurea
- saxifraga stolonifera
- saxifraga sarmentosam
- salpichroa rhomboidea
- rumohra adiantiformis
- rubus idaeus strigosus
- round-spored gyromitra
- rocky mountains cherry
- robert charles venturi
- riot control operation
- richard burdon haldane
- rhododendron viscosum
- revolutions per minute
- reversing thermometer
- reuben lucius goldberg
- respiratory infection
- respiratory alkalosis
- required reserve ratio
- religious orientation
- recreational facility
- reconstructive memory
- reconnaissance by fire
- reciprocal inhibition
- reagan administration
- rank-order correlation
- rabbit-eared bandicoot
- pyroelectric material
- pyramidal motor system
- purse-string operation
- pulmonary circulation
- publius vergilius maro
- pterocarpus marsupium
- psychopsis krameriana
- psychological warfare
- proportional sampling
- processus coronoideus
- private security force
- prince-of-wales feather
- prince peter kropotkin
- prince fumimaro konoye
- primary solid solution
- primary color for light
- price-to-earnings ratio
- president george w. bush
- premature ejaculation
- posterior labial veins
- positive-degree adverb
- portulaca grandiflora
- poronotus triacanthus
- political correctness
- poinciana pulcherrima
- podocarpus ferruginea
- platycerium alcicorne
- platte river penstemon
- planographic printing
- pityrogramma argentea
- piptadenia macrocarpa
- pilularia globulifera
- piezoelectric crystal
- pierre-joseph proudhon
- phototrophic bacteria
- photographic material
- philip warren anderson
- philip dormer stanhope
- phalaropus fulicarius
- personal line of credit
- peronospora hyoscyami
- peritonsillar abscess
- perisoreus canadensis
- percussion instrument
- pellicularia koleroga
- passiflora maliformis
- passiflora laurifolia
- particulate radiation
- parietomastoid suture
- paper electrophoresis
- pachyrhizus tuberosus
- orthophosphorous acid
- orthodontic treatment
- organic brain syndrome
- oreortyx picta palmeri
- order torpediniformes
- order scrophulariales
- order rhynchocephalia
- order pectinibranchia
- order of saint benedict
- order lepidodendrales
- order jungermanniales
- order cycadofilicales
- order cilioflagellata
- order charadriiformes
- order blastocladiales
- order aristolochiales
- orange mushroom pimple
- operation desert storm
- one hundred thirty-five
- omnidirectional range
- nycticorax nycticorax
- nurse-patient relation
- nuclear power industry
- notropis atherinoides
- northwest territories
- northern united states
- north american country
- norethindrone acetate
- nonrestrictive clause
- nonlinear correlation
- niels henrik david bohr
- neurological disorder
- neoceratodus forsteri
- necrotizing enteritis
- narthecium ossifragum
- narrow-leaved plantain
- myocardial infarction
- musculophrenic artery
- multiple-furrow plough
- multichannel recorder
- mistletoe rubber plant
- mirabilis californica
- mildred ella didrikson
- migratory grasshopper
- microsorium punctatum
- micropterus salmoides
- mediterranean anchovy
- matricaria chamomilla
- marketing information
- marcus terentius varro
- maidenhair spleenwort
- macrotyloma uniflorum
- macrotus californicus
- macrocheira kaempferi
- lyrurus mlokosiewiczi
- luis de gongora y argote
- louis victor de broglie
- lonicera sempervirens
- lonicera periclymenum
- lofortyx californicus
- little lord fauntleroy
- liberal democrat party
- lesser rhomboid muscle
- left atrium of the heart
- lecture demonstration
- lawyer-client relation
- laminar flow clean room
- laguncularia racemosa
- klinefelter's syndrome
- kingdom of northumbria
- kaspar friedrich wolff
- karen danielsen horney
- journalist's privilege
- joseph warren stilwell
- joseph rudyard kipling
- japanese morning glory
- james douglas morrison
- isovolumetric process
- intravenous pyelogram
- intransitive verb form
- intradermal injection
- international affairs
- internal auditory vein
- intellectual property
- inferior rectus muscle
- inferior labial artery
- inferior cerebral vein
- industrial revolution
- induction accelerator
- hypothetical creature
- hyperkinetic syndrome
- hypericum androsaemum
- hymenoxys grandiflora
- hydroelectric turbine
- horizontal stabilizer
- horizontal stabiliser
- hillary rodham clinton
- hexalectris warnockii
- heterodyne oscillator
- hermann wilhelm goring
- heritiera macrophylla
- hendrik antoon lorentz
- helleborus orientalis
- heliocentric parallax
- heinrich theodor boell
- heinrich rudolph hertz
- heat of transformation
- hare's-foot bristle fern
- gyromitra californica
- gutierrezia sarothrae
- guernsey monetary unit
- gross domestic product
- griselinia littoralis
- gridiron-tailed lizard
- gregory goodwin pincus
- greater peritoneal sac
- graeco-roman wrestling
- gorilla gorilla grauri
- gonadotrophic hormone
- glycerol trimargarate
- glaucous bristlegrass
- giovanni di bernardone
- geranium richardsonii
- georgian monetary unit
- george william russell
- georg friedrich handel
- geometric progression
- geoffroea decorticans
- genus reithrodontomys
- genus corynebacterium
- genus argentinosaurus
- gastrophryne olivacea
- galeorhinus zyopterus
- friedrich anton mesmer
- friction yielding prop
- frederick moore vinson
- frederic william goudy
- fourth lateran council
- form genus rhizoctinia
- foreign correspondent
- foreground processing
- flowering wintergreen
- first battle of bull run
- first baron rutherford
- file transfer protocol
- field press censorship
- fibrous-rooted begonia
- fiber optic microphone
- family strophariaceae
- family stercorariidae
- family rhizophoraceae
- family rhinocerotidae
- family procellariidae
- family hygrophoraceae
- family hydrochoeridae
- family cryptocercidae
- family cortinariaceae
- executor-heir relation
- evening trumpet flower
- european house cricket
- euproctis phaeorrhoea
- euphorbia cyparissias
- eucalyptus citriodora
- eucalypt tereticornis
- estraterrestrial body
- eschrichtius robustus
- erythronium dens-canis
- erythrina vespertilio
- eragrostic abyssinica
- enteric-coated aspirin
- endometrial carcinoma
- electrostatic printer
- electronic transistor
- electronic instrument
- electronic dictionary
- edward douglas white jr.
- eczema hypertrophicum
- dryopteris oreopteris
- dryopteris marginalis
- drumhead court-martial
- dramatic mezzo-soprano
- doxepin hydrochloride
- doubly transitive verb
- double-blind procedure
- dolichonyx oryzivorus
- doctoral dissertation
- dissociative disorder
- direct supporting fire
- diapheromera femorata
- demetrius poliorcetes
- david glasgow farragut
- david alfaro siqueiros
- darkling groung beetle
- dante gabriel rossetti
- daniel ortega saavedra
- dangerous undertaking
- cystopteris bulbifera
- cyperus alternifolius
- curly-coated retriever
- cruciferous vegetable
- crotalaria sagitallis
- croatian monetary unit
- criminal conversation
- crataegus biltmoreana
- coumarone-indene resin
- cottrell precipitator
- corypha umbraculifera
- cortinarius mutabilis
- corpuscular radiation
- coronary heart disease
- coral-root bittercress
- copperplate engraving
- convergent strabismus
- contingency procedure
- construction industry
- conservation of parity
- conservation of energy
- conservation of charge
- congregational church
- concurrent negligence
- commodore barry bridge
- colorimetric analysis
- codariocalyx motorius
- close-quarter fighting
- cistothorus palustris
- chrysophrys australis
- chrosomal abnormality
- chronic kidney failure
- chemnitzer concertina
- check overdraft credit
- cervical root syndrome
- cervical disc syndrome
- centrolobium robustum
- celastrus orbiculatus
- caspar friedrich wolff
- carya myristiciformis
- carolina spring beauty
- cardiovascular system
- cardiac resuscitation
- carcharhinus obscurus
- callirhoe triangulata
- callirhoe involucrata
- california four o'clock
- california false morel
- brush-tailed porcupine
- birth-control reformer
- begonia semperflorens
- begonia erythrophylla
- balaenoptera borealis
- background processing
- bachelor of literature
- australian turtledove
- australian labor party
- australian coral snake
- atrioventricular node
- astrophyton muricatum
- astreus hygrometricus
- asarum shuttleworthii
- artery of the penis bulb
- artery of the labyrinth
- arteria intercostalis
- artaxerxes ii of persia
- armored combat vehicle
- ariocarpus fissuratus
- arenaria groenlandica
- arctic ground squirrel
- apalachicola rosemary
- antonius stradivarius
- anti-inflammatory drug
- anterior cerebral vein
- anterior cardinal vein
- andropogon virginicus
- american pasqueflower
- alexander archipelago
- airborne transmission
- air force space command
- agropyron pauciflorum
- agricultural labourer
- african bowstring hemp
- affine transformation
- aeronautical engineer
- acacia auriculiformis
