9 letters
- triticums16
- triturate10
- triumviri17
- triumvirs17
- troutiest10
- truanting14
- trunnions13
- tuitional12
- tunesmith16
- turncoats14
- turnstone12
- tutorials11
- tutorship15
- tyrannous14
- uintahite13
- uintaites11
- ultrathin14
- unanchors17
- unanimity17
- unanimous16
- unhairing16
- unhatting16
- unhorsing16
- unionisms15
- unionists12
- unitarian12
- unmitring17
- unstating14
- unthrones14
- uraninite12
- urinaries11
- urinating14
- urination12
- urinemias14
- urticants14
- urticaria13
- uttermost13
- variation14
- variorums17
- vitiation14
- vitiators13
- warmouths18
- watthours15
- xanthomas22