CHEEPER is a playable word

cheeper Scrabble® Dictionary

noun
pl. cheepers
one that cheeps
33 Playable Words can be made from "CHEEPER"
   2-Letter Words (5 found)
   3-Letter Words (12 found)
   4-Letter Words (10 found)
   5-Letter Words (5 found)
   7-Letter Words (1 found)