SULCUS is a playable word

sulcus Scrabble® Dictionary

noun
pl. sulci
a narrow furrow
(adjective) sulcal
9 Playable Words can be made from "SULCUS"
   2-Letter Words (1 found)
   3-Letter Words (2 found)
   4-Letter Words (3 found)
   5-Letter Words (2 found)
   6-Letter Words (1 found)