CULLIS is a playable word

cullis Scrabble® Dictionary

noun
pl. cullises
a gutter in a roof
15 Playable Words can be made from "CULLIS"
   2-Letter Words (4 found)
   3-Letter Words (4 found)
   4-Letter Words (3 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)