10 letters
- seemliness15
- selections15
- semblances21
- semeiotics16
- semicircle20
- semicolons18
- semipublic24
- senescence18
- sentiences15
- sequencies24
- sibilances18
- skimobiles21
- solecising17
- solecistic17
- solemnizes24
- solemnness16
- solubilise16
- solvencies19
- somnolence19
- subceiling21
- subindices19
- sublicense19
- submersion18
- submission18
- suboceanic21
- subscience21
- subsection18
- subsidence19
- subsoiling18
- succession18
- timeliness15
- tumescence21
- unbecoming24
- unclenches22
- unclinches22
- uncoalesce19
- uncombined23
- uneconomic22
- unenclosed18
- unholiness16
- unlicensed18
- unlikeness18
- unseemlier16
- unsociable19