9 letters
- semifinal17
- serialist10
- seriating12
- serotinal11
- silkaline16
- sinistral11
- sintering13
- sirenians11
- skinflint19
- skinniest15
- sklenting18
- slinkiest15
- snaillike16
- snarkiest14
- snarliest11
- solitaire10
- spinnaker18
- sterilant11
- straining13
- streaking16
- tackifier19
- tackifies19
- talkiness15
- tanneries11
- tensional12
- teriyakis15
- terminals14
- tiffanies16
- tinkering17
- tinkliest15
- tinklings18
- tinseling14
- trailside11
- trainfuls15
- trainings13
- tramlines14
- transient11
- traplines14
- treenails11
- triangles13
- triazines19
- triennial12
- triflings16
- trilinear11
- triplanes14
- triskelia14
- twinklers18
- tyrannies13
- tyrannise13
- ultrafine15
- unfairest14
- unilinear13
- uraninite12
- viniferas17
- waistline14
- welfarist16