YAMMERED is a playable word

yammer Scrabble® Dictionary

verb
yammered, yammering, yammers
to whine or complain peevishly
114 Playable Words can be made from "YAMMERED"
   2-Letter Words (17 found)
   3-Letter Words (32 found)
   6-Letter Words (7 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)