TUBULIN is a playable word

tubulin Scrabble® Dictionary

noun
pl. tubulins
a protein that polymerizes to form tiny tubules
40 Playable Words can be made from "TUBULIN"
   2-Letter Words (8 found)
   3-Letter Words (20 found)
   4-Letter Words (6 found)
   5-Letter Words (4 found)
   7-Letter Words (2 found)