KOOKIER is a playable word

kooky Scrabble® Dictionary

adjective
kookier, kookiest
eccentric
(adverb) kookily
29 Playable Words can be made from "KOOKIER"
   2-Letter Words (7 found)
   3-Letter Words (11 found)
   4-Letter Words (6 found)
   5-Letter Words (2 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)