TIFFINING is a playable word

tiffin Scrabble® Dictionary

verb
tiffined, tiffining, tiffins
to lunch
27 Playable Words can be made from "TIFFINING"
   2-Letter Words (5 found)
   3-Letter Words (10 found)
   4-Letter Words (5 found)
   6-Letter Words (4 found)
   7-Letter Words (2 found)
   9-Letter Words (1 found)