NIXIES is a playable word

nixy Scrabble® Dictionary

noun
pl. nixies
an undeliverable piece of mail
24 Playable Words can be made from "NIXIES"
   2-Letter Words (8 found)
   3-Letter Words (9 found)
   4-Letter Words (3 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)