UMBEL is a playable word

umbel Scrabble® Dictionary

noun
pl. umbels
a type of flower cluster
(adjective) umbeled, umbellar, umbelled
18 Playable Words can be made from "UMBEL"
   2-Letter Words (6 found)
   3-Letter Words (7 found)
   4-Letter Words (3 found)
   5-Letter Words (2 found)