CREEPIER is a playable word

creepy Scrabble® Dictionary

adjective
creepier, creepiest
repugnant
(adverb) creepily
57 Playable Words can be made from "CREEPIER"
   2-Letter Words (4 found)
   3-Letter Words (16 found)
   4-Letter Words (14 found)
   5-Letter Words (10 found)
   6-Letter Words (6 found)
   7-Letter Words (5 found)
   8-Letter Words (2 found)