10 letters
- speciesism19
- spermaceti19
- spinnerets15
- spinneries15
- spiritisms16
- staircases13
- stannaries12
- stavesacre17
- steadiness12
- steamering16
- steaminess14
- stencilers15
- stickiness18
- stingarees13
- stinginess14
- storminess14
- strabismic19
- straitness11
- stramashes15
- stramonies14
- streamiest13
- streamings16
- streamline15
- streamside14
- strictness14
- stridences15
- sunscreens16
- sustainers12
- sustenance16
- swanneries15
- sweatiness14
- synaeresis13
- syncretise16
- syncretism19
- talismanic18
- tamenesses14
- tangencies17
- tangerines14
- tanistries11
- tarantisms14
- tarriances14
- tartnesses11
- teargasses12
- tearstains11
- tenacities14
- tenantries12
- tenebrisms17
- tensioners12
- terminates14
- terminuses15
- tesseracts13
- tetracaine14
- thiaminase16
- thinnesses14
- tidinesses12
- tiemannite15
- timeliness15
- timesavers17
- timescales17
- tininesses12
- titanesses11
- transcends16
- transgenic17
- transience15
- transiency17
- transients12
- transsonic15
- trashiness13
- trendiness13
- trichiases15
- trichiasis15
- trickiness18
- triennials13
- trienniums16
- trignesses13
- trimnesses14
- tyrannises14
- uneasiness13
- unitarians13
- uraninites13
- vacantness19
- vainnesses16
- veracities17
- vestiaries14
- vicariants18
- vicariates17
- victimises20
- victresses17
- waitresses13
- warinesses14
- warmnesses17
- wateriness14
- wintriness15
- wirinesses14
- yeastiness13
- zaninesses21