HEADACHE is a playable word

headache Scrabble® Dictionary

noun
pl. headaches
a pain inside the head
42 Playable Words can be made from "HEADACHE"
   2-Letter Words (10 found)
   3-Letter Words (12 found)
   4-Letter Words (14 found)
   5-Letter Words (5 found)
   8-Letter Words (1 found)