CONFINER is a playable word

confiner Scrabble® Dictionary

noun
pl. confiners
one that confines
111 Playable Words can be made from "CONFINER"
   2-Letter Words (14 found)
   3-Letter Words (29 found)
   6-Letter Words (7 found)
   7-Letter Words (4 found)
   8-Letter Words (1 found)