15-Letter Words Start with 's'

There are 254 15-letter words that start with 's'.

sabermetricians	saccharomycetes
sacramentalisms	sacramentalists
sacrosanctities	sadomasochistic
sagaciousnesses	salaciousnesses
sanctifications	sanctimoniously
saponaceousness	saponifications
saprogenicities	saprophytically
schematizations	schistosomiases
schistosomiasis	schoolmasterish
scintillometers	sclerotizations
sculpturesquely	seaworthinesses
seclusivenesses	secondarinesses
secretivenesses	secularizations
securitizations	sedimentologies
sedimentologist	seditiousnesses
seductivenesses	segregationists
selectivenesses	semiabstraction
semicentennials	semicolonialism
semicrystalline	semicylindrical
semidocumentary	semilogarithmic
semipornography	semiretirements
semisubmersible	semiterrestrial
semitranslucent	semitransparent
sensationalised	sensationalises
sensationalisms	sensationalists
sensationalized	sensationalizes
senselessnesses	sensitivenesses
sensualizations	sententiousness
sentimentalised	sentimentalises
sentimentalisms	sentimentalists
sentimentalized	sentimentalizes
separablenesses	septendecillion
septuagenarians	serendipitously
seroconversions	serviceableness
servomechanisms	sesquicarbonate
sesquicentenary	shamelessnesses
shapelessnesses	shiftlessnesses
sidesplittingly	sightlessnesses
sigmoidoscopies	silicifications
silversmithings	silviculturally
silviculturists	simplifications
sinterabilities	slaughterhouses
sledgehammering	sleeplessnesses
snippersnappers	socialistically
sociobiological	sociobiologists
socioculturally	sociohistorical
sociolinguistic	softheartedness
solderabilities	solidifications
solipsistically	solitudinarians
solubilizations	somnambulations
sophisticatedly	sophistications
sorrowfulnesses	specialisations
specializations	spectrographies
spectroscopists	spermatogeneses
spermatogenesis	spinelessnesses
spinthariscopes	spiritualnesses
splendiferously	splenectomizing
spontaneousness	sporangiophores
spreadabilities	sprightlinesses
squeamishnesses	squeezabilities
stadtholderates	stadtholdership
standardization	standoffishness
statelessnesses	steadfastnesses
steeplechasings	stereochemistry
stereoisomerism	stereologically
stereotaxically	stereotypically
steroidogeneses	steroidogenesis
stigmatizations	stockbrokerages
stoichiometries	straightforward
straightjackets	straitjacketing
straitlacedness	stratifications
stratovolcanoes	strenuousnesses
streptobacillus	streptothricins
strikebreakings	strongyloidoses
strongyloidosis	structuralizing
stultifications	stylelessnesses
subcategorizing	subcommissioned
subcontraoctave	subdevelopments
subinfeudations	submetacentrics
suboptimization	subordinateness
suborganization	subprofessional
subproletariats	subreptitiously
subspecializing	substantialness
substantiations	substantiveness
substantivizing	substitutionary
subterraneously	suburbanization
subvocalization	succinylcholine
sulfinpyrazones	sulfurousnesses
sumptuousnesses	superablenesses
superabsorbents	superabundances
superabundantly	superactivities
superannuations	superbureaucrat
supercalendered	superconducting
superconductive	superconductors
supercontinents	superconvenient
superefficiency	superelevations
supererogations	superfluidities
superfluousness	supergovernment
superheterodyne	superhumanities
superimposition	superindividual
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Note: These 254 15-letter words that start with 's' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words start with su, st, se, sp, sa, sh, sc, so, si, sl, sy, sn, sw, sk, sm, sq, sv, sf, sr, sj, sg.

2-letter words start with 's' (3)
3-letter words start with 's' (64)
4-letter words start with 's' (362)
5-letter words start with 's' (1,084)
6-letter words start with 's' (1,848)
7-letter words start with 's' (2,742)
8-letter words start with 's' (3,641)
9-letter words start with 's' (3,336)
10-letter words start with 's' (2,455)
11-letter words start with 's' (1,621)
12-letter words start with 's' (1,146)
13-letter words start with 's' (711)
14-letter words start with 's' (465)
15-letter words start with 's' (254)