ULNAS is a playable word

ulna Scrabble® Dictionary

noun
pl. ulnas or ulnae
a bone of the forearm
(adjective) ulnar
26 Playable Words can be made from "ULNAS"
   2-Letter Words (8 found)
   3-Letter Words (9 found)
   4-Letter Words (6 found)
   5-Letter Words (3 found)