PSOAS is a playable word

psoas Scrabble® Dictionary

noun
pl. psoai or psoae
a muscle of the loin
(adjective) psoatic
28 Playable Words can be made from "PSOAS"
   2-Letter Words (6 found)
   3-Letter Words (11 found)
   4-Letter Words (9 found)
   5-Letter Words (2 found)