NAPHTHOL is a playable word

naphthol Scrabble® Dictionary

noun
pl. naphthols
a chemical compound
99 Playable Words can be made from "NAPHTHOL"
   2-Letter Words (17 found)
   5-Letter Words (11 found)
   6-Letter Words (1 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)