10 letters
- scientisms17
- sedateness12
- semidesert14
- seminaries14
- seminarist14
- semisacred17
- semisecret16
- sensitised12
- sentiences15
- serenities11
- shiftiness16
- shinneries14
- sidestream14
- smiercases16
- smitheries15
- standishes14
- starfishes15
- steadiness12
- steaminess14
- streamside14
- stridences15
- tamenesses14
- tendencies16
- tenderness13
- tendresses12
- thinnesses14
- threadfins17
- tidinesses12
- tininesses12
- transcends16
- transience15
- trashiness13
- trendiness13
- trichiases15
- trimnesses14