CURSILLOS is a playable word

cursillo Scrabble® Dictionary

noun
pl. cursillos
a type of spiritual retreat (seclusion with a group)
107 Playable Words can be made from "CURSILLOS"
   2-Letter Words (9 found)
   3-Letter Words (22 found)
   6-Letter Words (8 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)