18-Letter Words Containing: O,S,P,I,R,A,_
(In Any Order)
There are 108 18 letter words,
369 18 letter phrases and
0 18 letter abbr's with
O,S,P,I,R,A,_ 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 18. Try changing the version of the game.
Tip: Scrabble EU allows far more words than US! | |||||||
All 18 Letter Words
Words (108)
- disproportionately
- oversimplification
- overrepresentation
- hyperaldosteronism
- neuropsychological
- unprofitablenesses
- ultrasophisticated
- ultramicroscopical
- triskaidekaphobias
- transportabilities
- thermoplasticities
- supranationalities
- supersophisticated
- supercivilizations
- superadministrator
- submicroscopically
- stereospecifically
- stereophotographic
- sphygmomanometries
- spectroheliography
- spectroheliographs
- semiprofessionally
- representationally
- rehospitalizations
- rechromatographies
- quasiperiodicities
- psychobiographical
- provincializations
- propagandistically
- pronounceabilities
- praiseworthinesses
- postmillenarianism
- polyesterification
- polyacrylonitriles
- photoreactivations
- photomicrographies
- photolithographies
- photodisintegrates
- photodisintegrated
- phosphodiesterases
- pertinaciousnesses
- particularizations
- overspecialization
- overoptimistically
- overextrapolations
- oscillographically
- orthopsychiatrists
- nonrepresentatives
- noncooperationists
- noncomparabilities
- nonanthropologists
- neuropsychiatrists
- misrepresentations
- misinterpretations
- microradiographies
- microphotographies
- microphotographers
- micromanipulations
- microencapsulation
- microencapsulating
- macrophotographies
- lymphangiographies
- lumpenproletariats
- lipopolysaccharide
- irreproachableness
- interrelationships
- interoperabilities
- impersonalizations
- immunosuppressants
- immunoprecipitates
- hypersensitization
- hyperrationalities
- hyperpolarizations
- hyperpigmentations
- hypernationalistic
- hyperimmunizations
- hyperalimentations
- hydroxytryptamines
- granulocytopoiesis
- granulocytopoieses
- evapotranspiration
- electromyographies
- echocardiographies
- echocardiographers
- disproportionation
- disproportionating
- dextroamphetamines
- dephosphorylations
- depersonalizations
- counteradaptations
- compartmentalising
- claustrophobically
- bacteriorhodopsins
- australopithecines
- astrophotographies
- spectrographically
- pteridospermopsida
- pteridospermaphyta
- psychotherapeutics
- plasmodiophoraceae
- overcapitalisation
- order-chenopodiales
- nonprognosticative
- neurophysiological
- mucopolysaccharide
- laryngopharyngitis
- hypoparathyroidism
- hypercholesteremia
Phrases (369)
- upton beall sinclair
- translating program
- suborder anisoptera
- sexual reproduction
- setophaga ruticilla
- samolus parviflorus
- respiratory illness
- republic of suriname
- republic of slovenia
- republic of maldives
- republic of honduras
- proposal of marriage
- professional golfer
- professional boxing
- prince-of-wales plume
- posterior pituitary
- pooecetes gramineus
- polish monetary unit
- polianthes tuberosa
- piano transcription
- physical attraction
- parkinson's syndrome
- ostrya carpinifolia
- order sauropterygia
- order sarcosporidia
- order passeriformes
- nicolaus copernicus
- newspaper columnist
- national censorship
- musical performance
- musculus temporalis
- musculospiral nerve
- morchella crassipes
- meleagris gallopavo
- meconopsis cambrica
- material possession
- lepomis macrochirus
- hypostasis of christ
- houses of parliament
- heat of vaporisation
- health professional
- gossypium herbaceum
- genus dimorphotheca
- gallinula chloropus
- freudian psychology
- francis ford coppola
- family scorpaenidae
- expressed almond oil
- erinaceus europaeus
- electronics company
- disreputable person
- disagreeable person
- diplomatic minister
- compression bandage
- collapsible shelter
- christopher marlowe
- chemical operations
- cerebrospinal fever
- cause to be perceived
- capital of new jersey
- capital of australia
- banana passion fruit
- artocarpus communis
- artistic production
- antineoplastic drug
- amphibious aircraft
- amaranthus spinosus
- agropyron cristatum
- acoustic gramophone
- yellow lady's slipper
- wynnea sparassoides
- writ of habeas corpus
- winter olympic games
- western roman empire
- vespula maculifrons
- vena supraorbitalis
- vascular prosthesis
- vascular hemophilia
- valedictory speaker
- vaccinium scoparium
- upper carboniferous
- upholstery material
- unipolar depression
- umbelliferous plant
- tussock caterpillar
- tropical rain forest
- trogium pulsatorium
- trisodium phosphate
- tragelaphus buxtoni
- top fermenting yeast
- thujopsis dolobrata
- threshold operation
- third battle of ypres
- thermoplastic resin
- thamnophis sirtalis
- thamnophis sauritus
- thamnophis proximus
- textual scholarship
- synaptomys borealis
- symplocus tinctoria
- symphoricarpos alba
- sweet-potato ring rot
- supratrochlear vein
- supra expressionism
- supervisory program
- superior labial vein
- superfamily apoidea
- superannuation fund
- suborder pinnipedia
- suborder lipotyphla
- suborder ceratopsia
- striped button quail
- streptopelia turtur
- steganopus tricolor
- spanish oyster plant
- social anthropology
- smoking compartment
- silver-leaved poplar
- short saphenous vein
- sexual relationship
- sex-change operation
- sensory deprivation
- scopolia carniolica
- saxifraga hypnoides
- sarcophilus hariisi
- sarcophaga carnaria
- saratoga spittlebug
- sao tome and principe
- sample distribution
- salicornia europaea
- sailor's breastplate
- sacrifice operation
- rocky mountain sheep
- retarded depression
- respiratory disease
- republic of the sudan
- republic of botswana
- real-time processing
- reactive depression
- reaction propulsion
- quadriphonic system
- quadraphonic system
- pyrrhuloxia sinuata
- pyrophosphoric acid
- pyorrhea alveolaris
- pylodictus olivaris
- pus-forming bacteria
- public relations man
- public presentation
- pterocarpus indicus
- psychotria capensis
- psoriatic arthritis
- prunus angustifolia
- prumnopitys elegans
- prospero lambertini
- prosopis juliiflora
- prosopis glandulosa
- propositional logic
- proportional sample
- promotional expense
- professional tennis
- professional person
- professional dancer
- procyon cancrivorus
- prionotus carolinus
- prince-of-wales'-heath
- prince of wales heath
- president john adams
- prairie golden aster
- power-station worker
- potentilla anserina
- potato scab bacteria
- potassium hydroxide
- potassium carbonate
- potamogeton crispus
- portal hypertension
- populus trichocarpa
- populus balsamifera
- poncirus trifoliata
- pomatomus saltatrix
- polystichum braunii
- polyphosphoric acid
- political commissar
- police headquarters
- pneumogastric nerve
- platanus orientalis
- platanus acerifolia
- plains pocket gopher
- plains lemon monarda
- pinus californiarum
- pine-barren sandwort
- pierre-simon laplace
- phyllostachys nigra
- phragmites communis
- phaseolus angularis
- pezophaps solitaria
- personal credit line
- periodontal disease
- peperomia sandersii
- pedestrian crossing
- paul bustill robeson
- parochetus communis
- parkinsonia florida
- parathion poisoning
- parascalops breweri
- parallel processing
- paprilus alepidotus
- pancreatic fibrosis
- palestine authority
- palace of versailles
- oxytropis lambertii
- ornithopod dinosaur
- order stegocephalia
- order psilophytales
- order polymastigina
- order plumbaginales
- order plantaginales
- order mycrosporidia
- order haplosporidia
- order haemosporidia
- order aspergillales
- operations research
- operating statement
- nuclear-powered ship
- north celestial pole
- non-christian priest
- nervous prostration
- musculus pectoralis
- mountain spleenwort
- montia lamprosperma
- military censorship
- microscopic anatomy
- metaphosphoric acid
- melospiza georgiana
- mammillaria plumosa
- macrozamia spiralis
- macroscopic anatomy
- lupinus subcarnosus
- lip synchronization
- lip synchronisation
- limnocryptes minima
- ligustrum japonicum
- libyan islamic group
- leptopteris superba
- leaning tower of pisa
- lazzaro spallanzani
- late-spring-blooming
- laportea canadensis
- kurdistan labor pary
- korsakov's psychosis
- kingdom protoctista
- judicial separation
- judgment in personam
- juan carlos i of spain
- jatropha stimulosus
- james francis thorpe
- isopyrum biternatum
- ipomoea orizabensis
- interagency support
- inorganic phosphate
- inflationary spiral
- idiopathic disorder
- idiographic science
- hypsiglena torquata
- hypophosphoric acid
- hyperfocal distance
- hynerpeton bassetti
- horseshoe whipsnake
- hesperis matronalis
- harold hirschsprung
- halocarpus bidwilli
- gregorian telescope
- great saphenous vein
- gradable opposition
- gigacycle per second
- genus zinjanthropus
- genus stephanomeria
- genus schizophragma
- genus pseudowintera
- genus pleurothallis
- genus pleurobrachia
- genus paracheirodon
- genus micropogonias
- genus gasterophilus
- genus dicranopteris
- genus chirocephalus
- genus cardiospermum
- genus argyroxiphium
- genus actiniopteris
- genital personality
- gastroepiploic vein
- flowering raspberry
- first battle of ypres
- finno-ugric-speaking
- favourable position
- family rhiptoglossa
- family relationship
- family nephropsidae
- family ceratopsidae
- european wolf spider
- european spider crab
- eucalyptus coriacea
- epistle to the romans
- epacris obtusifolia
- english hippocrates
- elaeocarpus grandis
- eichhornia spesiosa
- eastern roman empire
- dynamic loudspeaker
- dryopteris goldiana
- dryopteris fragrans
- dryopteris filix-mas
- dryopteris dilatata
- dorsal scapular vein
- division rhodophyta
- dental orthopaedics
- deflationary spiral
- cystopteris montana
- cystophora cristata
- cupressus goveniana
- cupressus arizonica
- cryptogramma crispa
- criminal possession
- crataegus apiifolia
- coryphaena hippurus
- corticospinal tract
- corporal punishment
- coreopsis tinctoria
- coptis groenlandica
- continuing trespass
- computer simulation
- competitor analysis
- compatible software
- common lady's-slipper
- colaptes chrysoides
- clinical depression
- class coniferopsida
- chinese parasol tree
- charles william post
- cerebrospinal fluid
- capital of singapore
- capital of san marino
- capital of costa rica
- california allspice
- bursera microphylla
- brush-tail porcupine
- bronchoscopic smear
- british labour party
- breech presentation
- bidens trichosperma
- bastardy proceeding
- barometric pressure
- austrotaxus spicata
- associate professor
- assistant professor
- arches national park
- apothecaries' weight
- anoa depressicornis
- anamnestic response
- alveolar resorption
- alsophila pometaria
- allium ampeloprasum
- aleksandr pavlovich
- agitated depression
- aegilops triuncalis
- adlerian psychology
- acoustic projection
- acoustic absorption
- absorption spectrum
