FRIVOLING is a playable word

frivol Scrabble® Dictionary

verb
frivoled, frivoling, frivols or frivolled, frivolling, frivols
to behave playfully
101 Playable Words can be made from "FRIVOLING"
   2-Letter Words (11 found)
   3-Letter Words (25 found)
   5-Letter Words (10 found)
   7-Letter Words (5 found)
   9-Letter Words (1 found)