10 letters
- stoutening15
- straitness11
- subsistent15
- substation15
- subtenants16
- sultanates13
- sunbonnets17
- supineness16
- suspension16
- sustainers12
- sustenance16
- sweatiness14
- tantalises12
- tantaluses13
- tanzanites21
- tarnations12
- tartnesses11
- tautnesses12
- tearstains11
- tenantless13
- tenantries12
- tensioners12
- tessituras11
- testaceous14
- testudines13
- teutonizes21
- thanatoses13
- thinnesses14
- tininesses12
- tinnituses13
- titanesses11
- transients12
- trustiness12
- turnstones13
- tutoresses11
- unassisted13
- uncanniest17
- uneasiness13
- uninterest13
- unsafeties15
- unseasoned14
- unsteadies13
- unstresses12
- untenanted15
- vainnesses16
- vastnesses15
- wantonness16
- yeastiness13
- zaninesses21