FIRRIER is a playable word

firry Scrabble® Dictionary

adjective
firrier, firriest
abounding in firs
20 Playable Words can be made from "FIRRIER"
   2-Letter Words (5 found)
   3-Letter Words (8 found)
   4-Letter Words (3 found)
   5-Letter Words (3 found)
   7-Letter Words (1 found)