KNOCKOUTS is a playable word

knockout Scrabble® Dictionary

noun
pl. knockouts
a blow that induces unconsciousness
125 Playable Words can be made from "KNOCKOUTS"
   2-Letter Words (10 found)
   3-Letter Words (27 found)
   6-Letter Words (6 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)