THALLUSES is a playable word

thallus Scrabble® Dictionary

noun
pl. thalluses or thalli
a plant body without true root, stem, or leaf
(adjective) thalloid
285 Playable Words can be made from "THALLUSES"
   2-Letter Words (18 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)