ACICULUM is a playable word

aciculum Scrabble® Dictionary

noun
pl. aciculums or acicula
a bristlelike part
45 Playable Words can be made from "ACICULUM"
   2-Letter Words (9 found)
   3-Letter Words (13 found)
   4-Letter Words (13 found)
   5-Letter Words (6 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)