INGRAINS is a playable word

ingrain Scrabble® Dictionary

verb
ingrained, ingraining, ingrains
to impress firmly on the mind
105 Playable Words can be made from "INGRAINS"
   2-Letter Words (10 found)
   3-Letter Words (28 found)
   6-Letter Words (7 found)
   7-Letter Words (8 found)
   8-Letter Words (1 found)