LABRUM is a playable word

labrum Scrabble® Dictionary

noun
pl. labrums or labra
a lip or liplike structure
(adjective) labral
50 Playable Words can be made from "LABRUM"
   2-Letter Words (9 found)
   3-Letter Words (19 found)
   4-Letter Words (13 found)
   5-Letter Words (5 found)
   6-Letter Words (4 found)