9 letters
- rigatonis12
- ruinating14
- ruination12
- runcinate15
- rusticate13
- saturnine12
- sectoring15
- seriating12
- signature13
- signorina13
- signorine13
- sintering13
- sinuating14
- situating13
- situation11
- softening16
- sortieing12
- stationer10
- straining13
- strategic14
- striating12
- striation10
- stringent13
- strunting14
- suctorian14
- surfacing19
- taconites13
- tautening14
- tenacious14
- tetragons12
- tinctures14
- tonsuring14
- toreutics13
- touristic13
- tractions13
- trainings13
- transfect16
- transient11
- transonic14
- tretinoin11
- tricotine13
- trifectas15
- trouncing17
- truancies14
- truanting14
- truncates14
- tunicates14
- turncoats14
- turnstone12
- tutorages12
- uintaites11
- unceasing17
- uncertain15
- uncoating17
- uncrating17
- unfairest14
- unfitting17
- unseating14
- unsetting14
- unstating14
- uraninite12
- urinating14
- urination12
- urticants14
- urticates13