CAFFEINE is a playable word

caffeine Scrabble® Dictionary

noun
pl. caffeines
a bitter alkaloid used as a stimulant
59 Playable Words can be made from "CAFFEINE"
   2-Letter Words (11 found)
   3-Letter Words (18 found)
   4-Letter Words (18 found)
   5-Letter Words (3 found)
   6-Letter Words (5 found)
   7-Letter Words (3 found)
   8-Letter Words (1 found)