FRIVOL is a playable word

frivol Scrabble® Dictionary

verb
frivoled, frivoling, frivols or frivolled, frivolling, frivols
to behave playfully
20 Playable Words can be made from "FRIVOL"
   2-Letter Words (6 found)
   3-Letter Words (6 found)
   4-Letter Words (7 found)
   6-Letter Words (1 found)