STOPCOCKS is a playable word

stopcock Scrabble® Dictionary

noun
pl. stopcocks
a type of faucet
100 Playable Words can be made from "STOPCOCKS"
   2-Letter Words (6 found)
   3-Letter Words (20 found)
   6-Letter Words (7 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)