UNDERFURS is a playable word

underfur Scrabble® Dictionary

noun
pl. underfurs
the thick, soft fur beneath the outer coat of certain mammals
136 Playable Words can be made from "UNDERFURS"
   2-Letter Words (12 found)
   7-Letter Words (3 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)