NOVAS is a playable word

nova Scrabble® Dictionary

noun
pl. novas or novae
a type of star
(adjective) novalike
22 Playable Words can be made from "NOVAS"
   2-Letter Words (7 found)
   3-Letter Words (9 found)
   4-Letter Words (5 found)
   5-Letter Words (1 found)