9 letters
- untrained13
- unwariest14
- unwreathe16
- upreaches18
- uraninite12
- urbanises14
- urbanists14
- urbanites14
- urethanes13
- urgencies16
- urticants14
- urticates13
- utterance14
- vanishers16
- variances17
- varnishes16
- venetians15
- vesicants17
- vesicates16
- vicarates16
- virescent17
- wasteries12
- weariness13
- wheatears14
- whiteners15
- whiteness15
- wiseacres15
- xantheins20
- xanthenes20
- xanthines20