FISTULAE is a playable word

fistula Scrabble® Dictionary

noun
pl. fistulas or fistulae
a duct formed by the imperfect closing of a wound
(adjective) fistular
278 Playable Words can be made from "FISTULAE"
   2-Letter Words (22 found)
   7-Letter Words (5 found)
   8-Letter Words (1 found)