18-Letter Words Containing: S,I,S,S
(In Any Order)
There are 160 18 letter words,
270 18 letter phrases and
0 18 letter abbr's with
S,I,S,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 18. Try changing the version of the game.
Tip: Scrabble EU allows far more words than US! | |||||||
All 18 Letter Words
Words (160)
- vaingloriousnesses
- unsubstantialities
- unrestrainednesses
- unresponsivenesses
- unprofitablenesses
- unprinciplednesses
- unconvincingnesses
- unconscionableness
- uncompromisingness
- uncharitablenesses
- unattractivenesses
- unassailablenesses
- ultraconservatisms
- transmissibilities
- transistorizations
- transcendentalists
- transcendentalisms
- supersophisticated
- supersensitivities
- superciliousnesses
- substitutabilities
- subconsciousnesses
- subclassifications
- spectrohelioscopes
- soporiferousnesses
- simultaneousnesses
- simplemindednesses
- shortsightednesses
- semiprofessionally
- semidomestications
- satisfactorinesses
- sacrilegiousnesses
- representativeness
- remunerativenesses
- redistributionists
- reconstructionists
- reconstructionisms
- rambunctiousnesses
- radiosensitivities
- questionablenesses
- quantitativenesses
- psychophysiologist
- psychophysiologies
- psychopathologists
- pseudotuberculosis
- predestinarianisms
- praiseworthinesses
- postmillennialists
- postmillennialisms
- photosensitivities
- photodissociations
- phosphodiesterases
- pertinaciousnesses
- overindebtednesses
- otherworldlinesses
- ostentatiousnesses
- orthopsychiatrists
- opinionativenesses
- nondestructiveness
- nonarbitrarinesses
- neurotransmissions
- neuropsychologists
- neuropsychiatrists
- neurophysiologists
- multifariousnesses
- misrepresentations
- misclassifications
- misadministrations
- meretriciousnesses
- manipulativenesses
- magnetoresistances
- lightheartednesses
- landlubberlinesses
- irresponsivenesses
- irresponsibilities
- irresistiblenesses
- irrepressibilities
- irremediablenesses
- invulnerablenesses
- intransitivenesses
- interrelatednesses
- interminablenesses
- intermediatenesses
- intelligiblenesses
- intellectualnesses
- insusceptibilities
- insufferablenesses
- insubstantialities
- inhospitablenesses
- inharmoniousnesses
- inexpugnablenesses
- inexpressivenesses
- inexpressibilities
- inexplicablenesses
- indissolublenesses
- indisputablenesses
- indispensabilities
- indiscriminateness
- indestructibleness
- incorrigiblenesses
- inconsolablenesses
- inconsiderableness
- inconclusivenesses
- incommodiousnesses
- inauspiciousnesses
- inarticulatenesses
- impermissibilities
- imperishablenesses
- imperceptivenesses
- immunosuppressions
- immunosuppressants
- immeasurablenesses
- hyposensitizations
- hypersensitivities
- hypersensitiveness
- hyperconsciousness
- homoscedasticities
- handcraftsmanships
- feeblemindednesses
- faintheartednesses
- expressionlessness
- ethnomusicologists
- disreputablenesses
- disputatiousnesses
- disingenuousnesses
- dishonorablenesses
- discourteousnesses
- discontentednesses
- disconsolatenesses
- disconnectednesses
- disagreeablenesses
- diastereoisomerism
- determinablenesses
- deliberativenesses
- deconstructionists
- curmudgeonlinesses
- creditworthinesses
- countersuggestions
- counterstrategists
- counteraggressions
- conversationalists
- contemptiblenesses
- consubstantiations
- constructivenesses
- constitutionalists
- constitutionalisms
- conservativenesses
- comprehensibleness
- communicablenesses
- bloodthirstinesses
- apprehensivenesses
- appreciativenesses
- accumulativenesses
- absentmindednesses
- unsatisfactoriness
- unquestionableness
- cross-fertilisation
- corrosion-resistant
- characteristicness
- arteriolosclerosis
Phrases (270)
- worldly possessions
- voiceless consonant
- unfinished business
- unconscious process
- tendonous synovitis
- tangible possession
- synthetic substance
- subclass metatheria
- solid body substance
- sistrurus catenatus
- seismic disturbance
- samolus parviflorus
- respiratory illness
- poisonous substance
- parnassia palustris
- parkinson's syndrome
- orthotomus sutorius
- order passeriformes
- musculus temporalis
- moschus moschiferus
- morchella crassipes
- material possession
- logistic assistance
- logistic assessment
- interstitial tissue
- hypostasis of christ
- hibiscus sabdariffa
- hibiscus esculentus
- hibiscus cannabinus
- henry norris russell
- gustatory sensation
- genus struthiomimus
- genus melopsittacus
- genus eschscholtzia
- genus chamaecytisus
- eusebius of caesarea
- economic assistance
- direct transmission
- dipsacus sylvestris
- dasyurus viverrinus
- conservation of mass
- class schizomycetes
- class magnoliopsida
- class hyalospongiae
- castanea mollissima
- carassius carassius
- business enterprise
- business department
- berberis canadensis
- augsburg confession
- aspalathus linearis
- apodemus sylvaticus
- amaranthus spinosus
- alytes obstetricans
- zigadenus venenosus
- yellow bristlegrass
- yellow bristle grass
- wynnea sparassoides
- woolsorter's disease
- wisteria frutescens
- wesleyan methodists
- viperine grass snake
- vigna sesquipedalis
- vascular prosthesis
- varanus komodoensis
- uropsilus soricipes
- university of sussex
- united states waters
- united states senate
- transmission system
- thomas stearns eliot
- theodor seuss geisel
- thamnophis sirtalis
- thamnophis sauritus
- tarquinius superbus
- takayasu's arteritis
- systema digestorium
- synaptomys borealis
- swiss confederation
- sutura internasalis
- survivors insurance
- surveillance system
- supra expressionism
- suillus albivelatus
- subsistence farming
- submersible warship
- subgenus calliopsis
- subclass dibranchia
- subclass cirripedia
- subclass amphineura
- subclass actinopoda
- stress incontinence
- stereoscopic vision
- stereophonic system
- sterculia rupestris
- stellar association
- stations of the cross
- starvation acidosis
- stained-glass window
- st. christopher-nevis
- spiranthes spiralis
- spheniscus demersus
- spanish oyster plant
- spanish inquisition
- solidago canadensis
- socio-economic class
- sloanea jamaicensis
- skin perceptiveness
- sir ernst boris chain
- single-member system
- single-breasted suit
- short saphenous vein
- serratia marcescens
- sergeant first class
- septuagesima sunday
- securities industry
- sebastes ruberrimus
- scolymus hispanicus
- sciaenops ocellatus
- saxifraga stellaris
- sarcophilus hariisi
- sarah kemble siddons
- sapindus marginatus
- samolus floribundus
- sambucus canadensis
- saint thomas aquinas
- saint martin's summer
- saint kitts and nevis
- sailor's breastplate
- sabbatia campestris
- rickettsial disease
- respiratory disease
- religious mysticism
- regression analysis
- real-estate business
- quercus chrysolepis
- publius ovidius naso
- psychotria capensis
- psocopterous insect
- psittacus erithacus
- prosopis glandulosa
- professional tennis
- professional person
- present progressive
- plosive speech sound
- plexus mesentericus
- philaenus spumarius
- phasianus colchicus
- phaseolus coccineus
- phaseolus angularis
- persian gulf illness
- peromyscus eremicus
- pediculosis capitis
- pedestrian crossing
- nicholas ii of russia
- new siberian islands
- national assistance
- narcissus jonquilla
- myosotis scorpiodes
- myositis trichinosa
- musculus teres minor
- musculus pectoralis
- musculus deltoideus
- missouri compromise
- melissa officinalis
- marcus junius brutus
- marble bones disease
- malacosoma disstria
- lysiloma bahamensis
- lupinus subcarnosus
- loxostege similalis
- livistona australis
- limnodromus griseus
- leuciscus leuciscus
- lesser sunda islands
- lathyrus sylvestris
- land-office business
- korsakov's psychosis
- keratosis nigricans
- jatropha stimulosus
- james edmund scripps
- islets of langerhans
- iron-storage disease
- hysterical neurosis
- huntington's disease
- horseshoe whipsnake
- homo sapiens sapiens
- hibiscus moscheutos
- hesperis matronalis
- herpes simplex virus
- heat-seeking missile
- greenhouse emission
- genus trichoglossus
- genus strobilomyces
- genus septobasidium
- genus poecilocapsus
- genus ichthyosaurus
- genus ibero-mesornis
- genus gasterophilus
- genus chrysochloris
- genus chilomeniscus
- genus centropristis
- genus calamagrostis
- ferdinand de lesseps
- fairness commission
- eusebius hieronymus
- eptesicus serotinus
- eichhornia spesiosa
- dispersed particles
- depressive disorder
- davidson's penstemon
- cytisus ramentaceus
- cytisus multiflorus
- cynoscion nebulosus
- cutaneous sensation
- cupressus goveniana
- cupressus arizonica
- cross-country skiing
- criminal possession
- court of saint james's
- coronavirus disease
- cornelius jansenius
- contopus sordidulus
- continuing trespass
- connarus guianensis
- colaptes chrysoides
- clianthus speciosus
- classical mechanics
- class hepaticopsida
- class dicotyledones
- class coniferopsida
- circis siliquastrum
- chrysolophus pictus
- christian scientist
- choriotis australis
- cholesterosis cutis
- chi-square statistic
- cheiranthus asperus
- castanea ozarkensis
- cassia occidentalis
- cassia augustifolia
- capsicum frutescens
- camassia scilloides
- callorhinus ursinus
- callinectes sapidus
- bubalus mindorensis
- bristly sarsparilla
- brassica perviridis
- book of ecclesiastes
- blue cheese dressing
- blissus leucopterus
- bleu cheese dressing
- bassariscus astutus
- badlands wilderness
- austrotaxus spicata
- associative aphasia
- associate professor
- associate in nursing
- assistant professor
- aspidelaps lubricus
- asian horseshoe crab
- aristarchus of samos
- anolis carolinensis
- anoa depressicornis
- angelica sylvestris
- anamnestic response
- alnus veridis crispa
- ailanthus altissima
- agaricus campestris
- acoustic resistance
