PROTOCOL is a playable word

protocol Scrabble® Dictionary

verb
protocoled, protocoling, protocols or protocolled, protocolling, protocols
to form a preliminary draft of an official document
60 Playable Words can be made from "PROTOCOL"
   2-Letter Words (5 found)
   3-Letter Words (22 found)
   5-Letter Words (5 found)
   6-Letter Words (1 found)
   8-Letter Words (1 found)