CASSINOS is a playable word

cassino Scrabble® Dictionary

noun
pl. cassinos
a card game
85 Playable Words can be made from "CASSINOS"
   2-Letter Words (12 found)
   3-Letter Words (21 found)
   6-Letter Words (7 found)
   7-Letter Words (3 found)
   8-Letter Words (2 found)