WATCHDOG is a playable word

watchdog Scrabble® Dictionary

verb
watchdogged, watchdogging, watchdogs
to act as a guardian for
106 Playable Words can be made from "WATCHDOG"
   2-Letter Words (16 found)
   5-Letter Words (5 found)
   6-Letter Words (1 found)
   8-Letter Words (2 found)