10 letters
- sapogenins17
- sectioning17
- signalment18
- smartening17
- smattering16
- sonicating17
- sonnetting15
- spattering16
- speciating19
- speciation17
- spectating19
- spoliating17
- springtime19
- stagnation14
- stampeding20
- standpoint16
- stationing14
- stentorian12
- stigmatize24
- stoutening15
- supinating18
- supination16
- tempesting19
- temptation17
- tendonitis13
- tensioning15
- tetanising14
- tetanizing23
- tiemannite15
- timesaving20
- timpanists17
- toenailing15
- tonalities12
- tormenting17
- totalising14
- transiting14
- transition12
- tretinoins12
- tripinnate15
- tympanites19
- unimposing21
- utopianism18
- womanising20