HOTHOUSES is a playable word

hothouse Scrabble® Dictionary

verb
hothoused, hothousing, hothouses
to grow in a hothouse (a heated greenhouse)
138 Playable Words can be made from "HOTHOUSES"
   2-Letter Words (15 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)