9 letters
- slummiest17
- slushiest13
- smallness15
- smaltines14
- smaltites13
- smarmiest15
- smartness13
- smeariest12
- snappiest16
- snarkiest14
- snarliest11
- soapiness13
- solarises10
- solarisms13
- solariums14
- sorriness10
- spacesuit16
- spandrels15
- spandrils15
- spanglier16
- sparables16
- spareness13
- spareribs15
- sparkiest16
- sparklers17
- sparklier17
- sparlings16
- sparriest12
- sparteine13
- spatulate14
- spearguns16
- spearmint16
- spectrums19
- speculums21
- spermatia15
- spermatic18
- spermatid16
- spermines16
- spindlers15
- spineless14
- spinsters13
- spinulose15
- spiracles16
- spiritual14
- spirituel14
- splashers15
- splashier15
- splatters13
- splinters14
- splintery16
- splitters13
- splurgers16
- splurgier16
- splutters14
- spoilsman17
- spoilsmen17
- spoliates13
- sportsman16
- sportsmen16
- sporulate14
- sprattles13
- sprawlers16
- sprawlier16
- springals16
- springers15
- sprinkler18
- sprinkles18
- sprinters13
- spritsail13
- spritzers21
- spruciest16
- spunkiest18
- spurriers13
- spymaster17
- squatness20
- squinters20
- squirmers22
- squirrels20
- squirters19
- stableman17
- staginess12
- staidness11
- stainable14
- stainless11
- staircase12
- staleness11
- staminate13
- stampless16
- stapedial14
- stapelias13
- starkness14
- starlings13
- starnoses10
- starriest9
- starships14
- startlers10
- statesman13
- staumrels14
- staysails12
- stealings13
- steamship17
- steapsins13
- stearines10
- steersman13
- sterigmas14
- sterilant11
- sterlings13
- stillness12
- stimulant15
- stimulate14
- stingless13
- stipplers16
- stipulate14
- strainers10
- straitens10
- stranders11
- strangers12
- strangler13
- strangles13
- strapless13
- strappers15
- streamers12
- streamier12
- streaming15
- strenuous12
- stressful14
- stressing12
- streusels11
- stringers12
- strippers15
- strummers16
- strumpets16
- stumblers17
- stumpages18
- stumpiest16
- stunsails12
- stylisers12
- subaerial14
- subalpine18
- subaltern15
- sublimate17
- sublimers17
- sublimest17
- submarine17
- subpanels18
- subsample20
- sugariest12
- sugarless13
- sugarplum20
- suitcases13
- sulfatase14
- sulfurets15
- sulkiness16
- sulphates16
- sulphites16
- sultanate12
- sultaness12
- sultriest11
- summaries16
- summarise16
- sumptuary19
- sunbursts15
- supercars16
- superfans17
- superfarm19
- superfast16
- superfirm19
- superhits15
- superiors13
- superlain15
- superlies14
- supermale17
- supermind18
- supermini17
- superreal14
- supersale14
- supersets13
- superstar13
- superstud15
- superthin16
- supinated15
- supinates14
- supinator14
- supplants18
- suppliant18
- suppliers17
- suppurate17
- supremest16
- suricates13
- surliness12
- surmisers13
- surmounts15
- surnamers14
- surpassed14
- surpasses13
- surplices17
- surpluses15
- surprints14
- surprisal14
- surprised14