10 letters
- sicknesses18
- simpleness18
- simpletons18
- sleepiness15
- sleepovers18
- slimnesses15
- slipcovers21
- sloppiness18
- slownesses15
- slushiness15
- smugnesses17
- solemnizes24
- solemnness16
- solenesses12
- solipsisms17
- solvencies19
- sorenesses11
- sourceless15
- sournesses12
- speciesism19
- speciously20
- speechless19
- speediness15
- spleeniest15
- splenetics18
- spodumenes19
- spruceness18
- steeliness12
- sublicense19
- subspecies20
- succession18
- successive21
- suchnesses17
- supercoils18
- supersonic18
- supervenes19
- supervises18
- supineness16
- suppleness19
- surenesses12
- susceptive21
- suspensers15
- suspension16
- suspensive19
- suspensors15
- suspicions18
- svelteness16
- telescopes17
- tenesmuses15
- uglinesses15
- undeceives20
- unseemlier16
- velocipede22
- vilenesses16
- virulences20
- visionless16
- voidnesses16
- volcanisms22
- vulcanises20
- vulcanisms23
- wisenesses14