HOTHOUSE is a playable word

hothouse Scrabble® Dictionary

verb
hothoused, hothousing, hothouses
to grow in a hothouse (a heated greenhouse)
94 Playable Words can be made from "HOTHOUSE"
   2-Letter Words (15 found)
   5-Letter Words (13 found)
   6-Letter Words (1 found)
   8-Letter Words (1 found)