GRUDGE is a playable word

grudge Scrabble® Dictionary

verb
grudged, grudging, grudges
to be unwilling to give or admit
27 Playable Words can be made from "GRUDGE"
   2-Letter Words (4 found)
   3-Letter Words (10 found)
   4-Letter Words (8 found)
   5-Letter Words (2 found)
   6-Letter Words (3 found)