YAMMER is a playable word

yammer Scrabble® Dictionary

verb
yammered, yammering, yammers
to whine or complain peevishly
41 Playable Words can be made from "YAMMER"
   2-Letter Words (13 found)
   3-Letter Words (18 found)
   4-Letter Words (7 found)
   5-Letter Words (2 found)
   6-Letter Words (1 found)