10 letters
- speciation17
- sportiness14
- sportswear16
- springiest16
- standpipes18
- stationers11
- stoppering19
- stramonies14
- strappings19
- striations11
- stroppiest16
- superports17
- supinators15
- supporters17
- tanistries11
- torridness12
- traitoress10
- transistor11
- transpired15
- transpires14
- transports14
- transposed15
- transposes14
- tristearin11
- tyrosinase13
- unstoppers18
- uppitiness18
- vanitories15
- waitperson17