UNDERFUR is a playable word

underfur Scrabble® Dictionary

noun
pl. underfurs
the thick, soft fur beneath the outer coat of certain mammals
57 Playable Words can be made from "UNDERFUR"
   2-Letter Words (10 found)
   3-Letter Words (20 found)
   4-Letter Words (17 found)
   5-Letter Words (6 found)
   6-Letter Words (3 found)
   8-Letter Words (1 found)