FUMULI is a playable word

fumulus Scrabble® Dictionary

noun
pl. fumuli
a thin cloud
13 Playable Words can be made from "FUMULI"
   2-Letter Words (5 found)
   3-Letter Words (5 found)
   4-Letter Words (1 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)