BACILLI is a playable word

bacillus Scrabble® Dictionary

noun
pl. bacilli
any of a class of rod-shaped bacteria
29 Playable Words can be made from "BACILLI"
   2-Letter Words (7 found)
   3-Letter Words (9 found)
   4-Letter Words (6 found)
   5-Letter Words (6 found)
   7-Letter Words (1 found)