ULNAE is a playable word

ulna Scrabble® Dictionary

noun
pl. ulnas or ulnae
a bone of the forearm
(adjective) ulnar
25 Playable Words can be made from "ULNAE"
   2-Letter Words (10 found)
   3-Letter Words (7 found)
   4-Letter Words (7 found)
   5-Letter Words (1 found)