9 letters
- senoritas10
- sensation11
- separator12
- serenatas10
- serration10
- shortness12
- smartness13
- sonatinas11
- songsters12
- sonorants11
- sororates9
- sorriness10
- soundness13
- southerns13
- squatness20
- starkness14
- starnoses10
- stegosaur12
- sternness11
- sternsons11
- sternways15
- stoniness11
- stoutness11
- strainers10
- stranders11
- strangers12
- strangury15
- strenuous12
- stressors9
- sturgeons13
- suborners14
- sultaness12
- sunbursts15
- sunstones12
- sunstroke15
- superstar13
- surmounts15
- surnamers14
- surrogate12
- surrounds13
- surroyals13
- surveyors16
- suspensor14
- sustainer11
- susurrant12
- susurrous12
- swartness13
- syntonies13
- tabourers13
- tarragons12
- tenuously15
- thesaurus13
- transfers13
- transfuse14
- transpose13
- transudes12
- treasures10
- tressours10
- tressures10
- trouncers14
- trousseau11
- trouveurs15
- tsarevnas14
- turnovers15
- turnsoles12
- turnstone12
- tyrannies13
- tyrannise13
- tyrannous14
- tyrosines12
- unaptness15
- uncrosses14
- uncurrent16
- underruns14
- unfastens15
- unharness14
- unnatural14
- unpersons15
- unreasons12
- unserious12
- unsounder14
- unthrones14
- untrussed13
- untrusses12
- urostyles13
- usualness13
- venturous16
- wantoners14
- youngness16
- youngster15