AVIFAUNAS is a playable word

avifauna Scrabble® Dictionary

noun
pl. avifaunas or avifaunae
the bird life of a particular region
81 Playable Words can be made from "AVIFAUNAS"
   2-Letter Words (13 found)
   3-Letter Words (27 found)
   5-Letter Words (12 found)
   6-Letter Words (3 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)