9 letters
- sederunts12
- seigneurs13
- selenites11
- seleniums15
- senseless11
- sensibler14
- sensibles14
- sensitise10
- sentinels12
- serotines10
- shiftless15
- shirtless12
- siffleurs17
- silencers14
- silentest11
- sincerest13
- sinecures14
- sirventes14
- slugfests16
- slushiest13
- slynesses13
- snarliest11
- snifflers17
- snivelers15
- snuffiest17
- snufflers18
- snufflier18
- softeners13
- spineless14
- spinsters13
- splinters14
- squinters20
- squireens20
- stainless11
- staleness11
- stearines10
- stenciler14
- sterlings13
- sternites10
- sternness11
- stiffener16
- stiffness16
- stilbenes14
- stillness12
- stingless13
- streeling13
- stressful14
- stressing12
- streusels11
- stuffless17
- stunsails12
- stupefies16
- stylisers12
- suberises13
- subsenses14
- subseries13
- sulfurets15
- sulkiness16
- sullenest13
- sultaness12
- sultriest11
- sunfishes16
- superfine17
- superlies14
- supersets13
- surfeited14
- surfeiter13
- surliness12
- suspenser14
- suspenses14
- sustainer11
- swiftness16
- syneresis12
- synesises12
- telfering16
- terseness10
- tessiture10
- testiness10
- tigresses11
- tiredness11
- trainfuls15
- transfuse14
- treenails11
- trellises11
- tressiest9
- tressures10
- trisceles13
- triskeles14
- trismuses13
- triteness10
- troiluses11
- trussings13
- trustless11
- tunnelers13
- turneries11
- turnsoles12
- turnstile12
- ultrafine15
- unbeliefs18
- underlets13
- underlies13
- undersets12
- undresses12
- uneasiest11
- unfairest14
- unfertile15
- unfetters14
- unfitness15
- universes15
- unrestful16
- unruliest13
- unselfish17
- unsettles12
- unsterile12
- untrusses12
- uplifters17
- utilisers11
- veinulets16
- witnesses13
- wulfenite18