CHUMMED is a playable word

chum Scrabble® Dictionary

verb
chummed, chumming, chums
to be close friends with someone
40 Playable Words can be made from "CHUMMED"
   2-Letter Words (11 found)
   3-Letter Words (19 found)
   4-Letter Words (7 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)