UNSEEN is a playable word

unsee Scrabble® Dictionary

verb
unsaw, unseen, unseeing, unsees
to fail to see
26 Playable Words can be made from "UNSEEN"
   2-Letter Words (6 found)
   3-Letter Words (10 found)
   4-Letter Words (6 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)