PLUMBUM is a playable word

plumbum Scrabble® Dictionary

noun
pl. plumbums
lead
19 Playable Words can be made from "PLUMBUM"
   2-Letter Words (4 found)
   3-Letter Words (8 found)
   4-Letter Words (5 found)
   5-Letter Words (1 found)
   7-Letter Words (1 found)