16-Letter Words Containing: R,R,I,O
(In Any Order)
There are 373 16 letter words,
698 16 letter phrases and
0 16 letter abbr's with
R,R,I,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 16. Try changing the version of the game.
Tip: Scrabble EU allows far more words than US! | |||||||
All 16 Letter Words
Words (373)
- irresponsibility
- counterterrorist
- neurotransmitter
- disproportionate
- transilluminator
- incontrovertible
- hemorrhoidectomy
- characterization
- misappropriation
- counterterrorism
- representational
- countersignature
- undernourishment
- reinterpretation
- stereomicroscope
- nonrevolutionary
- interpretational
- rhinosporidiosis
- microelectronics
- incontrovertibly
- erythroblastosis
- electrochemistry
- predetermination
- characterisation
- arteriosclerosis
- anthropomorphism
- transformational
- northamptonshire
- nonproliferation
- neuropsychiatric
- incorruptibility
- authoritarianism
- anthropomorphize
- anthropomorphise
- weatherboardings
- vasoconstrictors
- uproariousnesses
- underproductions
- ultrasonographic
- ultraprogressive
- ultraparadoxical
- ultramicrotomies
- ultramicroscopes
- ultrafiltrations
- turbomachineries
- trinitrotoluenes
- trifluoperazines
- triboelectricity
- transportational
- transportability
- transmissometers
- transliterations
- transitorinesses
- transfigurations
- transcriptionist
- tracheobronchial
- thermoregulation
- thermoregulating
- thermoperiodisms
- thermometrically
- territorializing
- territorialities
- teratocarcinomas
- supersaturations
- superromanticism
- superpatriotisms
- supernormalities
- supermillionaire
- supercorporation
- superbillionaire
- straightforwards
- stereoregularity
- stereoisomerisms
- sporotrichosises
- spectroheliogram
- soporiferousness
- semipornographic
- scurrilousnesses
- roadworthinesses
- retroreflections
- retransformation
- resurrectionists
- reprivatizations
- reorganizational
- reorchestrations
- renormalizations
- reincorporations
- refractorinesses
- refortifications
- redistributional
- redeterminations
- recoverabilities
- reconsiderations
- reconfigurations
- reconcentrations
- rechoreographing
- recertifications
- recentralization
- reauthorizations
- reapportionments
- reafforestations
- reaccreditations
- radiotelemetries
- radioprotections
- radiographically
- radiochemistries
- radioautographic
- pyrometallurgies
- psychobiographer
- protrusivenesses
- prosopographical
- proletarianizing
- proletarianising
- programmatically
- procrastinations
- prestidigitators
- preservationists
- prerevolutionary
- preregistrations
- preincorporation
- preformationists
- precertification
- precariousnesses
- postresurrection
- phrasemongerings
- photorespiration
- photopolarimeter
- photomicrography
- photomicrographs
- photointerpreter
- photogrammetrist
- photogrammetries
- phonocardiograph
- phonocardiograms
- petrographically
- petrochemistries
- performabilities
- peremptorinesses
- parametrizations
- parameterization
- oversubscription
- overproportioned
- overprescription
- overgenerosities
- overgeneralizing
- overexaggeration
- overexaggerating
- overelaborations
- overconstructing
- overconservative
- overcentralizing
- overarticulating
- osteoarthritides
- orthopsychiatric
- orthographically
- organomercurials
- nonproprietaries
- nonparticipatory
- noninterferences
- nondiscretionary
- noncontradictory
- nonauthoritarian
- nonarchitectures
- nonarbitrariness
- neuroradiologist
- neuroradiologies
- neurochemistries
- morphometrically
- mistranscription
- misregistrations
- misappropriating
- microvasculature
- microsporophylls
- microsporangiate
- microradiography
- microradiographs
- microprojections
- microprogramming
- microphotometric
- microphotometers
- microphotography
- microphotographs
- micrometeorology
- micromanipulator
- microlepidoptera
- microinstruction
- micrographically
- microenvironment
- microearthquakes
- microcirculatory
- microcirculation
- microcircuitries
- microcalorimetry
- microcalorimeter
- megacorporations
- malpractitioners
- majoritarianisms
- macrolepidoptera
- macroinstruction
- irrevocabilities
- irresponsiveness
- irresolutenesses
- irremovabilities
- intramolecularly
- interterritorial
- intermolecularly
- interiorizations
- intergradational
- intergenerations
- interferometries
- intercorrelation
- intercorrelating
- interconvertible
- interconversions
- intercomparisons
- interchromosomal
- intercalibration
- insurrectionists
- incorrigibleness
- immunoregulatory
- hyperthyroidisms
- hyperrationality
- hyperproductions
- hyperinnervation
- hypercorrections
- historiographies
- historiographers
- hexylresorcinols
- heterokaryosises
- heterochromatins
- hermaphroditisms
- hematoporphyrins
- gynandromorphism
- gynandromorphies
- gregariousnesses
- forthrightnesses
- formularizations
- ferroelectricity
- exterritoriality
- exteriorizations
- epichlorohydrins
- enterochromaffin
- endarterectomies
- electrotherapies
- electrosurgeries
- electrophoresing
- electrohydraulic
- distributorships
- disproportioning
- disorderlinesses
- disorderednesses
- discriminatorily
- diffractometries
- diastereoisomers
- depressurization
- decarburizations
- daguerreotypists
- crystallographic
- cryopreservation
- crossopterygians
- countertradition
- counterreactions
- counterirritants
- counterguerrilla
- counterguerillas
- counterculturist
- countercriticism
- corruptibilities
- correspondencies
- coproprietorship
- controversialism
- conspiratorially
- conservatorships
- comptrollerships
- colorimetrically
- circumscriptions
- circumnavigators
- circularizations
- cinematographers
- chronometrically
- chromatographing
- chromatographies
- choriocarcinomas
- cartographically
- carcinosarcomata
- calorimetrically
- biostratigraphic
- biodeterioration
- autocorrelations
- arterioscleroses
- archconservative
- antirecessionary
- antiprofiteering
- antipornographic
- antiferromagnets
- antiaristocratic
- anthropomorphist
- well-proportioned
- ultramicroscopic
- tripleurospermum
- trinitroglycerin
- triiodothyronine
- trigonometrician
- trifluoromethane
- trichloromethane
- tri-iodothyronine
- thermogravimetry
- thermogravimeter
- thermoelectrical
- struthioniformes
- spondylarthritis
- self-preservation
- scrophulariaceae
- roentgenographic
- rhinolaryngology
- remilitarization
- remilitarisation
- reincarnationism
- recurvirostridae
- radiophotography
- pseudoperipteral
- proto-reformation
- propylthiouracil
- prochlorperazine
- praiseworthiness
- pornographically
- pleurobrachiidae
- paraprofessional
- otherworldliness
- nonreciprocating
- noncontroversial
- non-proliferation
- niger-kordofanian
- narrow-mindedness
- multiprogramming
- microcrystalline
- meretriciousness
- macrothelypteris
- introductoriness
- interpenetration
- interoperability
- immunosuppressor
- hydroelectricity
- hydrocharitaceae
- hydrocharidaceae
- grade-appropriate
- extraterritorial
- erythrocytolysin
- electrotherapist
- echocardiography
- dniprodzerzhynsk
- dneprodzerzhinsk
- dipterocarpaceae
- dinornithiformes
- dermatosclerosis
- cytoarchitecture
- cryptobranchidae
- creditworthiness
- counterinsurgent
- controversialist
- contemporariness
- chromolithograph
- caprimulgiformes
- brightly-coloured
- autoradiographic
- atrioventricular
- atrichornithidae
- arteriosclerotic
- aristocratically
- anthropometrical
- anthropocentrism
- aminotransferase
- alstroemeriaceae
Phrases (698)
- wuhan coronavirus
- wisdom literature
- william burroughs
- vladimir horowitz
- vermiform process
- verbal expression
- valuation reserve
- tibialis anterior
- throw out of kilter
- tender loving care
- supreme authority
- sugar ray robinson
- suborder prosimii
- soren kierkegaard
- sir richard burton
- shortbread cookie
- shipboard soldier
- serial processing
- sauropod dinosaur
- rocket propulsion
- resurrection fern
- restraint of trade
- religious service
- relative majority
- reflexive pronoun
- recording machine
- radiocarpal joint
- radio observation
- radiation pattern
- quaternary period
- puerto rico trench
- ptloris paradisea
- proteles cristata
- protective tariff
- programming error
- prince of darkness
- presiding officer
- political program
- point of reference
- point of departure
- pillar of strength
- pilgrim's progress
- piece of furniture
- physical property
- personnel carrier
- personal relation
- performing artist
- performative verb
- particle detector
- papaver orientale
- out of the ordinary
- ottorino respighi
- oscar hammerstein
- origanum majorana
- ordovician period
- order sphaeriales
- order spatangoida
- order proboscidea
- order of magnitude
- order lepidoptera
- order gymnophiona
- order galliformes
- order exocycloida
- order apodiformes
- oral presentation
- norwegian lobster
- northern rhodesia
- nerve compression
- neritid gastropod
- natural logarithm
- monongahela river
- mephitis macroura
- material resource
- marriage proposal
- mario vargas llosa
- macro instruction
- loxia curvirostra
- library catalogue
- leonard bernstein
- katherine cornell
- katharine cornell
- isometric process
- instrumental role
- inspector maigret
- informational rna
- hungarian pointer
- horseradish sauce
- horizontal merger
- historical record
- hero of alexandria
- giorgio de chirico
- geographical area
- geographic region
- genus triceratops
- genus procellaria
- gaviiform seabird
- furniture company
- friendly takeover
- friedrich froebel
- french revolution
- frank lloyd wright
- francois truffaut
- francois rabelais
- francisco pizarro
- force per unit area
- fibrous astrocyte
- erwin schrodinger
- erich von stroheim
- english professor
- emperor francis ii
- elvis aron presley
- double refraction
- datura stramonium
- covering material
- coturnix coturnix
- corvus frugilegus
- control operation
- commiphora myrrha
- commercial treaty
- coloring material
- circular function
- cartridge remover
- cartridge ejector
- carbon dichloride
- cancer of the liver
- california privet
- breath of fresh air
- brassica rapa ruvo
- brassica oleracea
- boswellia serrata
- board of directors
- benjamin harrison
- australian dollar
- atrium of the heart
- artistic creation
- arnica cordifolia
- argillaceous rock
- arctonyx collaris
- arcangelo corelli
- aneroid barometer
- ammotragus lervia
- american sycamore
- american hornbeam
- allergic reaction
- alexander borodin
- aleksandr borodin
- aerodynamic force
- achromatic colour
- zoarces viviparus
- yorkshire terrier
- yorkshire pudding
- yellowstone river
- yellowfin mojarra
- yellowfin croaker
- wrong-site surgery
- writ of certiorari
- working principle
- working agreement
- woolly rhinoceros
- wood-sorrel family
- winter heliotrope
- wild morning-glory
- widebody aircraft
- wide-body aircraft
- weeping tree broom
- water of hydration
- water gillyflower
- violet wood sorrel
- viburnum trilobum
- veterinary school
- veronica arvensis
- veronica agrestis
- variable resistor
- urocystis tritici
- urinary retention
- typewriter ribbon
- tussilago farfara
- turn of expression
- turdus viscivorus
- trust corporation
- trifoliate orange
- tricholoma irinum
- transforming gene
- torreya taxifolia
- thyroid cartilage
- thoracic vertebra
- thirty-second part
- theropod dinosaur
- theatrical poster
- teres minor muscle
- temporal relation
- taricha granulosa
- systolic pressure
- supraorbital vein
- superior vena cava
- suborder natantia
- submarine torpedo
- striped coral root
- stationery seller
- standing rib roast
- spring cankerworm
- spondias purpurea
- spinal nerve roots
- spiderwort family
- sparaxis tricolor
- southern triangle
- southern rhodesia
- south platte river
- sorting algorithm
- sorbus torminalis
- solicitor general
- soldier of fortune
- software engineer
- snowy tree cricket
- skillet corn bread
- sir thomas raffles
- sir thomas gresham
- sir robert walpole
- sir patrick manson
- sir leonard hutton
- sir john cockcroft
- sir francis galton
- sir bernard lovell
- single-furrow plow
- simple regression
- short-tailed shrew
- shooting preserve
- shellbark hickory
- shell corporation
- sexual perversion
- service of process
- serratus anterior
- septic sore throat
- separation energy
- sensorimotor area
- senecio cineraria
- self-raising flour
- security director
- seborrheic eczema
- sarsaparilla root
- saprolegnia ferax
- salvadora persica
- saint christopher
- rupicola rupicola
- rubus parviflorus
- rorippa islandica
- rodya raskolnikov
- robert treat paine
- robert king merton
- robert edwin peary
- robert bellarmine
- road construction
- rima respiratoria
- righteye flounder
- ribes grossularia
- rhizophora mangle
- rhinoceros family
- rhinoceros beetle
- rheumatoid factor
- rheum rhaponticum
- rhetorical device
- rhetorical accent
- revealed religion
- returning officer
- respiratory tract
- respiratory organ
- research director
- republic of turkey
- republic of cyprus
- reproductive cell
- reproduction cost
- religious writing
- releasing hormone
- relativity theory
- regression of y on x
- registration fire
- refractory period
- refractory anemia
- reflection factor
- recursive routine
- recreational drug
- recording company
- reciprocating saw
- recessional march
- rattus norvegicus
- raoulia australis
- railroad terminal
- railroad engineer
- radio transmitter
- radiation therapy
- radiation diagram
- radial keratotomy
- quercus prinoides
- quercus arizonica
- quercus agrifolia
- queensboro bridge
- quartz oscillator
- pyloric sphincter
- purple granadillo
- public prosecutor
- pterygoid process
- przewalski's horse
- przevalski's horse
- prumnopitys amara
- protea cynaroides
- proportional font
- properly speaking
- pronominal phrase
- projection screen
- prohibition party
- progressive tense
- progressive party
- probation officer
- princeton wordnet
- primary dentition
- prescription drug
- prairie wake-robin
- prairie sunflower
- prairie gourd vine
- prairie cordgrass
- power engineering
- poison arrow plant
- plutonium trigger
- plastering trowel
- plaintiff in error
- piping crow-shrike
- pieris floribunda
- phonetic property
- philibert delorme
- philibert de l'orme
- phalaris tuberosa
- petronius arbiter
- peripheral vision
- patriarchal cross
- passive transport
- parophrys vitulus
- parlor grand piano
- park commissioner
- paris quadrifolia
- paratyphoid fever
- parathyroid gland
- oxford university
- overstuffed chair
- over and over again
- ovarian pregnancy
- otto robert frisch
- ostrya virginiana
- ormosia coarctata
- organic structure
- organic chemistry
- order trichoptera
- order thecodontia
- order testudinata
- order scorpionida
- order scleroparei
- order pycnogonida
- order pterosauria
- order percomorphi
- order perciformes
- order marsupialia
- order marattiales
- order isospondyli
- order insectivora
- order hypericales
- order gregarinida
- order gentianales
- order gaviiformes
- order eurypterida
- order erysiphales
- order equisetales
- order dictyoptera
- order corrodentia
- order cordaitales
- order coniferales
- order belemnoidea
- order anacanthini
- orbignya martiana
- orb-weaving spider
- optical pyrometer
- ophthalmic artery
- operating theatre
- operating theater
- operating surgeon
- one hundred thirty
- olive-drab uniform
- old world crayfish
- oil of wintergreen
- off-axis reflector
- observation tower
- nuclear terrorism
- notropis cornutus
- northern sea robin
- northern marianas
- northern bobwhite
- northern alliance
- north platte river
- nontricyclic drug
- nonpasserine bird
- nolina microcarpa
- nitrous bacterium
- nitrogen narcosis
- nina from carolina
- neutron radiation
- nervii olfactorii
- murder conviction
- multiplier factor
- mountain starwort
- morone interrupta
- morning-after pill
- mockernut hickory
- missouri primrose
- mineral resources
- milking shorthorn
- military governor
- military ceremony
- metronome marking
- mercury poisoning
- mercuric chloride
- medical procedure
- maurice barrymore
- master of fine arts
- marriage contract
- marriage ceremony
- marine archeology
- marginal wood fern
- marasmius oreades
- maraschino cherry
- managing director
- magnetic recorder
- madriporian coral
- lychnis coronaria
- lorenz milton hart
- lonicera tatarica
- lonicera morrowii
- logic programming
- loggerhead shrike
- lobster thermidor
- little sioux river
- literary movement
- lister cultivator
- linear regression
- lewis henry morgan
- levi-lorrain dwarf
- letter of jeremiah
- leroy robert paige
- leonurus cardiaca
- learning disorder
- lawrence of arabia
- lateral line organ
- lasiurus borealis
- lambertia formosa
- king of the herring
- keratosis pilaris
- juniperus procera
- isurus oxyrhincus
- isochoric process
- irrational number
- irrational motive
- iron group element
- irene joliot-curie
- involuntary trust
- invertebrate foot
- inventory control
- internet explorer
- interior designer
- interdiction fire
- inspector general
- innominate artery
- infrared emission
- inferior vena cava
- indian rhinoceros
- incentive program
- improper fraction
- imperforate hymen
- illiterate person
- iliolumbar artery
- identity operator
- hypericum ascyron
- hydroplane racing
- hydrogen peroxide
- hydrogen fluoride
- hydrogen chloride
- hydrofluoric acid
- hydrochloric acid
- hirundo nigricans
- hippotragus niger
- heuristic program
- heterocyclic ring
- henry louis gehrig
- henry iii of france
- henry bolingbroke
- hemorrhoidal vein
- hemorrhagic fever
- hatiora gaertneri
- hairy golden aster
- habenaria hookeri
- gyromitra brunnea
- guibert of ravenna
- group amentiferae
- grindelia robusta
- grevillea robusta
- gregory nazianzen
- greenland caribou
- grains of paradise
- graeco-roman deity
- gracula religiosa
- gouverneur morris
- gooseberry family
- golden marguerite
- globular pearlite
- giacomo meyerbeer
- gerbera jamesonii
- genus trichosurus
- genus trichoceros
- genus pyrrhuloxia
- genus nitrobacter
- genus micruroides
- genus microsporum
- genus microsorium
- genus micropterus
- genus microgramma
- genus macrocheira
- genus iridoprocne
- genus hydrocharis
- genus formicarius
- genus erythronium
- genus doryopteris
- genus cryptomeria
- genus cortinarius
- genus citroncirus
- genus capricornis
- genus atrichornis
- genus archaeornis
- genus agriocharis
- garden heliotrope
- full-dress uniform
- from pillar to post
- fringe-toed lizard
- frijoles refritos
- friend of the court
- francois duvalier
- francois couperin
- fragrant agrimony
- four-stroke engine
- for a bargain price
- florida strap fern
- florida arrowroot
- fissure of rolando
- first baron lytton
- first baron kelvin
- fire control radar
- fire and brimstone
- female aristocrat
- explorer's gentian
- exoergic reaction
- executive program
- exclusionary rule
- european tortoise
- european nightjar
- eucerin anhydrous
- erigeron glaucous
- empirical formula
- embroidery stitch
- embroidery needle
- elmer leopold rice
- elevated railroad
- electronic sports
- early-morning hour
- ductus arteriosus
- drymarchon corais
- drilling platform
- dramatis personae
- dot matrix printer
- doctor of fine arts
- doberman pinscher
- diurnal variation
- district attorney
- distributor point
- dioscorea trifida
- dialeurodes citri
- depreciation rate
- dendroica tigrina
- dendroica striate
- daniel rutherford
- cyril lodowic burt
- cultivated carrot
- cryptic crossword
- cruciferous plant
- criminal congress
- cretaceous period
- cremation chamber
- creeping crowfoot
- cote d'ivoire franc
- corylus americana
- cortical cataract
- correlation table
- corporate finance
- coronary care unit
- cordial reception
- coracias garrulus
- cookie jar reserve
- conversion factor
- contrast material
- contractile organ
- connecticut river
- concrete vibrator
- concentrated fire
- computer industry
- computer graphics
- compression ratio
- compiling program
- common bird cherry
- commercial credit
- commercial artist
- color-blind person
- close corporation
- clitoria turnatea
- clay-colored robin
- chronic gastritis
- chromatin granule
- christian doppler
- chlorohydric acid
- chicken roundworm
- chemical property
- chaotic attractor
- cercospora kopkei
- centripetal force
- centrifugal force
- centre-val de loire
- cassia roxburghii
- cash reserve ratio
- carya cordiformis
- cartesian product
- carolina pond fern
- carolina parakeet
- carnivorous plant
- career counseling
- cardinal grosbeak
- capricorn the goat
- canarybird flower
- california romero
- california redbud
- california laurel
- california condor
- c-reactive protein
- burkina faso franc
- brown rot gummosis
- brooder pneumonia
- brassia verrucosa
- brabancon griffon
- boswellia carteri
- boron trifluoride
- booted armillaria
- booster amplifier
- bombardier beetle
- board of trade unit
- bitternut hickory
- bitter orange tree
- birth control pill
- bird's foot trefoil
- betsy griscom ross
- benedictine order
- beggar-my-neighbor
- bedroom furniture
- baton rouge bridge
- auxiliary storage
- automobile driver
- automatic firearm
- authorized shares
- augustinian order
- astronomical year
- aster cordifolius
- artificial flower
- articulated lorry
- arteria femoralis
- arteria coronaria
- arteria choroidea
- arrow-grass family
- approximate range
- aotus trivirgatus
- anti-virus program
- anterior synechia
- antelope squirrel
- anaphoric pronoun
- amorpha fruticosa
- american wormseed
- american licorice
- american frontier
- alligator snapper
- alaska rein orchid
- air national guard
- agropyron smithii
- agrimonia procera
- african love grass
- african crocodile
- aerosol container
- aby moritz warburg
- absorption factor
