CRITTER is a playable word

critter Scrabble® Dictionary

noun
pl. critters
a creature
42 Playable Words can be made from "CRITTER"
   2-Letter Words (6 found)
   3-Letter Words (11 found)
   4-Letter Words (10 found)
   5-Letter Words (11 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)