VAINER is a playable word

vain Scrabble® Dictionary

adjective
vainer, vainest
filled with undue admiration for oneself
(adverb) vainly
65 Playable Words can be made from "VAINER"
   2-Letter Words (10 found)
   3-Letter Words (23 found)
   5-Letter Words (7 found)
   6-Letter Words (3 found)