CUEISTS is a playable word

cueist Scrabble® Dictionary

noun
pl. cueists
one that uses a cue (a straight tapering rod) in billiards
95 Playable Words can be made from "CUEISTS"
   2-Letter Words (9 found)
   3-Letter Words (25 found)
   6-Letter Words (8 found)
   7-Letter Words (3 found)