18-Letter Words Containing: I,S,E,I,S
(In Any Order)
There are 161 18 letter words,
389 18 letter phrases and
0 18 letter abbr's with
I,S,E,I,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 (161)
- antivivisectionist
- disenfranchisement
- verisimilitudinous
- valetudinarianisms
- vaingloriousnesses
- unsubstantialities
- unprinciplednesses
- unintelligibleness
- unconvincingnesses
- uncompromisingness
- ultrasophisticated
- triskaidekaphobias
- triboluminescences
- transportabilities
- transmissibilities
- thermoplasticities
- supranationalities
- supersophisticated
- supersensitivities
- superminicomputers
- superintelligences
- supercivilizations
- superciliousnesses
- superadministrator
- substitutabilities
- subcategorizations
- stereospecifically
- stereoregularities
- simplemindednesses
- semiprofessionally
- semipermeabilities
- semidomestications
- semiconservatively
- satisfactorinesses
- sacrilegiousnesses
- revascularizations
- representativities
- reprehensibilities
- rehospitalizations
- redistributionists
- recrystallizations
- reconstructionists
- reconstructionisms
- radiosensitivities
- quasiperiodicities
- quantitativenesses
- psychophysiologies
- premillenarianisms
- predestinarianisms
- praiseworthinesses
- postmillennialists
- postmillennialisms
- postmillenarianism
- photosensitization
- photosensitivities
- photodisintegrates
- pertinaciousnesses
- overindustrializes
- overclassification
- opinionativenesses
- noncooperationists
- nonarbitrarinesses
- neurotransmissions
- neuropsychiatrists
- neurophysiologists
- multifariousnesses
- misrepresentations
- misinterpretations
- misidentifications
- microdensitometers
- meretriciousnesses
- mechanochemistries
- manipulativenesses
- lepidopterologists
- irresponsivenesses
- irresponsibilities
- irresistiblenesses
- irrepressibilities
- irremediablenesses
- irreconcilableness
- introspectionistic
- intransitivenesses
- intersubstitutable
- interrelationships
- interminablenesses
- intermediatenesses
- intelligiblenesses
- insusceptibilities
- insubstantialities
- inhospitablenesses
- inharmoniousnesses
- inexpressivenesses
- inexpressibilities
- inexplicablenesses
- inexhaustibilities
- indissolublenesses
- indisputablenesses
- indispensabilities
- indiscriminateness
- indestructibleness
- incorrigiblenesses
- incontestabilities
- inconsiderableness
- inconclusivenesses
- incommodiousnesses
- incombustibilities
- inauspiciousnesses
- inarticulatenesses
- inappreciativeness
- impersonalizations
- impermissibilities
- imperishablenesses
- imperceptivenesses
- immunosuppressions
- hyposensitizations
- hypersensitization
- hypersensitivities
- hypersensitiveness
- homoscedasticities
- granulocytopoiesis
- ethnomusicologists
- establishmentarian
- electrodepositions
- electrochemistries
- disputatiousnesses
- disintermediations
- disingenuousnesses
- discriminabilities
- diastereoisomerism
- depersonalizations
- denominationalisms
- deliberativenesses
- deconstructionists
- creditworthinesses
- conversationalists
- constitutionalizes
- consequentialities
- congregationalists
- congregationalisms
- commensurabilities
- coccidioidomycoses
- chemiluminescences
- bloodthirstinesses
- bacteriorhodopsins
- australopithecines
- appreciativenesses
- anticommercialisms
- unsatisfactoriness
- unenthusiastically
- sentimentalisation
- pteridospermopsida
- industrial-strength
- homobasidiomycetes
- good-neighborliness
- diethylstilbestrol
- cross-fertilization
- cross-fertilisation
- corrosion-resistant
- characteristicness
- arteriolosclerosis
- anticholinesterase
Phrases (389)
- william shakespeare
- vertical stabiliser
- unfinished business
- tomistoma schlegeli
- tendonous synovitis
- tangible possession
- swedish nightingale
- supervisory routine
- subversive activity
- stringed instrument
- stinking nightshade
- spanish-american war
- sir william herschel
- sir william chambers
- sir matthew flinders
- sir martin frobisher
- sir frederick ashton
- sir christopher wren
- sense of equilibrium
- seismic disturbance
- scottish highlander
- scorpio the scorpion
- scientific research
- rheims-douay version
- respiratory illness
- renaissance revival
- religious residence
- professional boxing
- priority processing
- political dissident
- podilymbus podiceps
- pluvianus aegyptius
- physiological state
- oscar hammerstein ii
- order sarcosporidia
- on an irregular basis
- odocoileus hemionus
- oceanites oceanicus
- nicolaus copernicus
- navigational system
- national censorship
- meconopsis cambrica
- material possession
- logistic assistance
- logistic assessment
- limenitis archippus
- lepomis macrochirus
- karl friedrich gauss
- isabella i of castile
- irvingia gabonensis
- interstitial tissue
- infantile paralysis
- hibiscus esculentus
- geophysical science
- genus struthiomimus
- genus citharichthys
- first epistle of john
- essential condition
- essential amino acid
- erigeron canadensis
- election commission
- economic assistance
- douay-rheims version
- direct transmission
- dipsacus sylvestris
- digitalis glycoside
- dasyurus viverrinus
- commissaire maigret
- cognitive semantics
- circassian language
- castanea mollissima
- carl wilhelm siemens
- carduelis carduelis
- business enterprise
- berberis canadensis
- augustinian hermits
- attestation service
- assyrian neo-aramaic
- aspalathus linearis
- antispasmodic agent
- antagonistic muscle
- analysis of variance
- alexander i of russia
- air-to-ground missile
- ageratina altissima
- adenosine deaminase
- wisteria frutescens
- wilderness campaign
- wild sensitive plant
- white slime mushroom
- western prince's pine
- west indian smallpox
- volumetric analysis
- viperine grass snake
- vigna sesquipedalis
- viaticus settlement
- vespertilio murinus
- verbascum lychnitis
- vena supraorbitalis
- uropsilus soricipes
- university of sussex
- unipolar depression
- tuberculin skin test
- trusteeship council
- trisodium phosphate
- transmission system
- topical anaesthesia
- thermosetting resin
- thermoplastic resin
- thermionic emission
- tetraneuris acaulis
- tarquinius superbus
- takayasu's arteritis
- systema digestorium
- swiss confederation
- sutura internasalis
- suspended animation
- survivors insurance
- surgical instrument
- supra expressionism
- superior colliculus
- suillus albivelatus
- suicide squeeze play
- subsistence farming
- suborder tarsioidea
- submersible warship
- subgenus calliopsis
- subfamily sylviinae
- subfamily sterninae
- subfamily anserinae
- subclinical absence
- subclass cirripedia
- styphelia humifusum
- stress incontinence
- stratified sampling
- stochastic variable
- stereoscopic vision
- sterculia rupestris
- stellar association
- stanford university
- stained-glass window
- st. christopher-nevis
- sporobolus poiretii
- spiranthes spiralis
- solidago canadensis
- solanum commersonii
- sodium thiosulphate
- socio-economic class
- sloanea jamaicensis
- skin perceptiveness
- sisymbrium barbarea
- sir ernst boris chain
- sir bernard williams
- single-breasted suit
- signal-to-noise ratio
- sexual relationship
- sensory deprivation
- sensorimotor region
- seminiferous tubule
- securities industry
- secobarbital sodium
- saxifraga stellaris
- saxifraga hypnoides
- sanskritic language
- sanskrit literature
- sample distribution
- saint valentine's day
- saint teresa of avila
- saint martin's summer
- saint kitts and nevis
- saint francis xavier
- sabbatia campestris
- rickettsial disease
- rhizopus stolonifer
- rhizoctinia disease
- respiratory disease
- remilegia australis
- religious mysticism
- relative atomic mass
- regression equation
- regression analysis
- registered security
- regional anesthesia
- real-time processing
- reactive depression
- quadriphonic system
- quadrigesima sunday
- pterocarpus indicus
- psychotria capensis
- psittacus erithacus
- pseudotaxus chienii
- professional tennis
- procursive epilepsy
- potassium hydroxide
- positive chemotaxis
- political scientist
- police commissioner
- polemonium viscosum
- poephila castanotis
- podiceps ruficollis
- plumed scorpionfish
- ploceus philippinus
- platanus orientalis
- phragmites communis
- philaenus spumarius
- pezophaps solitaria
- pesticide poisoning
- persian gulf illness
- periodontal disease
- peperomia sandersii
- peninsular malaysia
- pedilanthus pavonis
- pediculosis capitis
- pedestrian crossing
- paprilus alepidotus
- pancreatic fibrosis
- order ustilaginales
- order rickettsiales
- observation station
- nonreligious person
- non-christian priest
- nihilistic delusion
- niemann-pick disease
- new siberian islands
- neurotic depression
- national assistance
- nasogastric feeding
- myosotis scorpiodes
- multiple regression
- missouri compromise
- mineral association
- military censorship
- microprocessor chip
- metabolic alkalosis
- meriones longifrons
- melissa officinalis
- mason and dixon's line
- lysiloma bahamensis
- loxostege similalis
- louis henry sullivan
- louis henri sullivan
- lonicera canadensis
- listeria meningitis
- limnodromus griseus
- leuciscus leuciscus
- lepiota cepaestipes
- land-office business
- lactarius delicioso
- king charles spaniel
- keratosis nigricans
- karl wilhelm siemens
- joint chiefs of staff
- john birks gillespie
- jessica lucy mitford
- japanese poinsettia
- jacksonian epilepsy
- italian renaissance
- iron-storage disease
- ipomoea orizabensis
- indirect expression
- in one's birthday suit
- ilex paraguariensis
- hysterical neurosis
- huntington's disease
- homo sapiens sapiens
- holocentrus bullisi
- hibiscus moscheutos
- hexalectris spicata
- hesperis matronalis
- herpes simplex virus
- herpes encephalitis
- heat-seeking missile
- heat of dissociation
- harry sinclair lewis
- halicoeres radiatus
- grindelia squarrosa
- greenhouse emission
- genus trichodesmium
- genus septobasidium
- genus schizachyrium
- genus rhinonicteris
- genus micropogonias
- genus microdipodops
- genus ibero-mesornis
- genus hyacinthoides
- genus hemitripterus
- genus dicranopteris
- genus chorizagrotis
- genus chilomeniscus
- genus centropristis
- genus archidiskidon
- genus actiniopteris
- gavialis gangeticus
- fringed loosestrife
- fragaria chiloensis
- family spheniscidae
- family brassicaceae
- fairness commission
- eusebius hieronymus
- eurasian kingfisher
- euclid's second axiom
- eptesicus serotinus
- epidural anesthesia
- epacris obtusifolia
- english hippocrates
- electric resistance
- eichhornia spesiosa
- ecclesiastical robe
- ecclesiastical mode
- eastern indigo snake
- eastern catholicism
- east indian rosewood
- dryopteris filix-mas
- dissociation energy
- dispersed particles
- dishwashing machine
- discretionary trust
- dicentra canadensis
- devil's walking stick
- depressive disorder
- delusional disorder
- dalbergia cearensis
- cupressus arizonica
- crucifixion of jesus
- crisis intervention
- criminal possession
- corrosive sublimate
- coronavirus disease
- cornelius jansenius
- coreopsis tinctoria
- cordyline australis
- conversion hysteria
- conversion disorder
- continuing trespass
- connarus guianensis
- competitor analysis
- communist manifesto
- cognitive scientist
- coeloglossum viride
- clinical depression
- clianthus speciosus
- clematis versicolor
- cleistes divaricata
- classical mechanics
- class hepaticopsida
- class coniferopsida
- class archiannelida
- citellus variegatus
- cirsium helenioides
- christian scientist
- christian schonbein
- cholesterosis cutis
- chi-square statistic
- charles william post
- cercis occidentalis
- celtis occidentalis
- celestial mechanics
- catherine i of russia
- cassia occidentalis
- carl friedrich gauss
- cardamine pratensis
- canalis vertebralis
- camassia scilloides
- callinectes sapidus
- burmeisteria retusa
- burhinus oedicnemus
- bubalus mindorensis
- brassica perviridis
- bissau-guinean franc
- bidens trichosperma
- auriparus flaviceps
- associative aphasia
- associate in nursing
- aspidelaps lubricus
- asian tiger mosquito
- asclepias incarnata
- aristotelia serrata
- anolis carolinensis
- anoa depressicornis
- angelica sylvestris
- alnus veridis crispa
- alice-josephine pons
- agitated depression
- agelaius phoeniceus
- agaricus campestris
- aegilops triuncalis
- actinidia chinensis
- acoustic resistance
- abudefduf saxatilis
