18-Letter Words Starting: S
There are 51 18-letter words,
298 18-letter phrases and
0 18-letter abbr's that start with
S.
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 (51)
- spectrophotometric
- sociopsychological
- supranationalities
- supersophisticated
- supersensitivities
- supernaturalnesses
- superminicomputers
- superintelligences
- superintellectuals
- superconglomerates
- supercivilizations
- superciliousnesses
- superadministrator
- substitutabilities
- submicroscopically
- subconsciousnesses
- subclassifications
- subcategorizations
- structuralizations
- stoutheartednesses
- stoichiometrically
- stereospecifically
- stereoregularities
- stereophotographic
- sphygmomanometries
- spectrophotometers
- spectrohelioscopes
- spectroheliography
- spectroheliographs
- spectrofluorometry
- spectrofluorometer
- spectrofluorimeter
- soporiferousnesses
- somnambulistically
- simultaneousnesses
- simplemindednesses
- shortsightednesses
- semiquantitatively
- semiprofessionally
- semipermeabilities
- semidomestications
- semiconservatively
- sedimentologically
- satisfactorinesses
- sacrilegiousnesses
- spectrographically
- sentimentalization
- sentimentalisation
- self-aggrandizement
- self-aggrandisement
- saccharomycetaceae
Phrases (298)
- syzygium aromaticum
- syrian monetary unit
- synthetic substance
- swedish nightingale
- supervisory routine
- superiority complex
- sulfur hexafluoride
- subversive activity
- suborder myxinoidei
- suborder clamatores
- suborder anisoptera
- submandibular gland
- subclass metatheria
- stringed instrument
- stinking nightshade
- star-spangled banner
- star-shaped fortress
- squirreltail barley
- sphenodon punctatum
- spatial arrangement
- spanish-american war
- sound pressure level
- solidago spathulata
- solid body substance
- solenostemon blumei
- social organization
- social organisation
- sistrurus catenatus
- sir william herschel
- sir william chambers
- sir peter paul rubens
- sir mortimer wheeler
- sir matthew flinders
- sir martin frobisher
- sir henry joseph wood
- sir frederick ashton
- sir christopher wren
- sir arthur john evans
- single-reed woodwind
- short-term liability
- short hundredweight
- sexually attractive
- sexual reproduction
- setophaga ruticilla
- sergei rachmaninoff
- sense of equilibrium
- semilunar cartilage
- selective lipectomy
- seismic disturbance
- security consultant
- second cranial nerve
- seasonal adjustment
- scottish highlander
- scorpio the scorpion
- scientific research
- scandinavian nation
- samolus parviflorus
- salt lake tabernacle
- systema urogenitale
- systema lymphaticum
- systema digestorium
- system of numeration
- syrian arab republic
- synaptomys borealis
- synanceja verrucosa
- symplocus tinctoria
- symphoricarpos alba
- sydney harbor bridge
- swiss confederation
- sweet-potato ring rot
- sweet cherry liqueur
- sutura internasalis
- suspended animation
- survivors insurance
- surveillance system
- surjective function
- surgical vacuum pump
- surgical instrument
- surface-active agent
- surface search radar
- supratrochlear vein
- supra expressionism
- supervisory program
- supernatural virtue
- superior labial vein
- superior colliculus
- superhigh frequency
- superfamily apoidea
- superannuation fund
- suillus albivelatus
- suicide squeeze play
- subthalamic nucleus
- subsistence farming
- subpoena duces tecum
- subphylum urochorda
- suborder tarsioidea
- suborder ruminantia
- suborder pinnipedia
- suborder odontoceti
- suborder nematocera
- suborder mugiloidea
- suborder menotyphla
- suborder lipotyphla
- suborder lemuroidea
- suborder lacertilia
- suborder gorgonacea
- suborder ceratopsia
- suborder carnosaura
- suborder alcyonacea
- submersible warship
- subgenus calliopsis
- subfamily triglinae
- subfamily sylviinae
- subfamily sterninae
- subfamily numidinae
- subfamily numididae
- subfamily dorylinae
- subfamily anserinae
- subfamily acoraceae
- subclinical absence
- subclass dibranchia
- subclass cirripedia
- subclass amphineura
- subclass actinopoda
- styphelia humifusum
- stuffed grape leaves
- structural genomics
- structural concrete
- striped button quail
- striated muscle cell
- stress incontinence
- streptopelia turtur
- strawberry ice cream
- strawberry geranium
- strawberry daiquiri
- stratified sampling
- stratified language
- straight-line method
- storage-battery grid
- stochastic variable
- stictopelia cuneata
- stereoscopic vision
- stereophonic system
- sterculia rupestris
- stenotomus chrysops
- stemless golden weed
- stellar association
- steganopus tricolor
- stations of the cross
- starvation acidosis
- stanley frank musial
- stanford university
- standard atmosphere
- stained-glass window
- st. ignatius of loyola
- st. christopher-nevis
- spraguea umbellatum
- spotted squeateague
- spotsylvania county
- sporobolus poiretii
- spirit of turpentine
- spiranthes spiralis
- sphyraena barracuda
- sphenoidal fontanel
- sphenoid fontanelle
- spheniscus demersus
- spartina pectinmata
- sparmannia africana
- spanish oyster plant
- spanish inquisition
- space-time continuum
- southern yellow pine
- southern white cedar
- southern maidenhair
- southern hemisphere
- southern bog lemming
- south temperate zone
- south celestial pole
- sonora semiannulata
- solomon r. guggenheim
- solidago canadensis
- solar thermal system
- solar magnetic field
- solanum commersonii
- solanum carolinense
- sodium thiosulphate
- sodium hypochlorite
- sociological theory
- socio-economic class
- social anthropology
- snowdrop windflower
- smoking compartment
- smilax rotundifolia
- smalleye hammerhead
- small cell carcinoma
- sloanea jamaicensis
- slip friction clutch
- skull and crossbones
- skin perceptiveness
- six-lined racerunner
- sisymbrium barbarea
- sir john carew eccles
- sir humphrey gilbert
- sir george trevelyan
- sir ernst boris chain
- sir bernard williams
- sir alfred hitchcock
- single-member system
- single-furrow plough
- single-breasted suit
- singhalese language
- silver-leaved poplar
- silver-leaved nettle
- silver quandong tree
- silphium laciniatum
- signal-to-noise ratio
- side-blotched lizard
- sidalcea malviflora
- siberian wall flower
- shrubby st john's wort
- shrubby bittersweet
- shoulder-to-shoulder
- shoshonian language
- shoshonean language
- shortia galacifolia
- short saphenous vein
- short gastric artery
- shorea teysmanniana
- shirley temple black
- shahaptian language
- shaggymane mushroom
- sexual relationship
- sex-change operation
- severance agreement
- serratula tinctoria
- serratia marcescens
- sergeant first class
- septuagesima sunday
- september 11 attacks
- sentential function
- sensory deprivation
- sensorimotor region
- seminiferous tubule
- semiconductor diode
- semi-sweet chocolate
- semaphore telegraph
- self-employed person
- selaginella eatonii
- segmentation cavity
- security department
- securities industry
- secretary of the navy
- secretary of defense
- secondary education
- secondary dentition
- secobarbital sodium
- sebastes ruberrimus
- scopolia carniolica
- scolymus hispanicus
- scleroderma bovista
- sciaenops ocellatus
- scale of measurement
- saxifraga stellaris
- saxifraga hypnoides
- saxifraga granulata
- saturated fatty acid
- sarracenia purpurea
- sarcophilus hariisi
- sarcophaga carnaria
- saratoga spittlebug
- sarah kemble siddons
- sapindus marginatus
- sao tome and principe
- sao bernardo do campo
- sanskritic language
- sanskrit literature
- samuel jackson snead
- sample distribution
- samolus floribundus
- sambucus canadensis
- salvinia auriculata
- salix alba vitellina
- salicornia europaea
- salamandra maculosa
- saints peter and paul
- saint valentine's day
- saint thomas aquinas
- saint thomas a becket
- saint teresa of avila
- saint martin's summer
- saint lawrence river
- saint kitts and nevis
- saint francis xavier
- sailor's breastplate
- sagebrush buttercup
- sacrifice operation
- sacramento sturgeon
- sabbatia campestris