Following are all the grumble like words, in the list below.
GROWL
100% like grumble
MURMURING
99.99% like grumble
RUMBLE
99.99% like grumble
MUTTERING
99.99% like grumble
RUMBLING
99.99% like grumble
MUTTER
99.99% like grumble
MURMUR
99.99% like grumble
CROAK
99.99% like grumble
GROUCH
99.98% like grumble
GNARL
99.84% like grumble
SCOLD
99.77% like grumble
JONES
61.97% like grumble
COMPLAIN
33.44% like grumble
WHINE
33.44% like grumble
GROAN
33.44% like grumble
WHINGE
33.44% like grumble
MOAN
33.44% like grumble
KVETCH
33.44% like grumble
SCOFF
33.44% like grumble
GRUMBLERS
33.44% like grumble
SNIGGER
33.44% like grumble
GRUMBLINGS
33.44% like grumble
MUMBLE
33.44% like grumble
SNICKER
33.44% like grumble
HARRUMPH
33.44% like grumble
HUMPH
33.44% like grumble
GRIPING
33.44% like grumble
COMPLAINING
33.44% like grumble
GRUMP
33.44% like grumble
HOWL
33.44% like grumble
SNEER
33.44% like grumble
SULK
33.44% like grumble
WAIL
33.44% like grumble
GRUMPS
33.44% like grumble
SIGH
33.44% like grumble
BEMOAN
33.44% like grumble
WHINING
33.44% like grumble
MIFFED
33.44% like grumble
ANNOYED
33.44% like grumble
SQUABBLE
33.44% like grumble
GRIPE
33.44% like grumble
GIGGLE
33.44% like grumble
GUFFAW
33.44% like grumble
EXCLAIM
33.44% like grumble
SCOFFING
33.44% like grumble
BICKER
33.44% like grumble
CRINGE
33.44% like grumble
GRUMPY
33.44% like grumble
GROANING
33.44% like grumble
CHUCKLE
33.44% like grumble
GLOAT
33.44% like grumble
WHINGING
33.44% like grumble
LAUGH
33.44% like grumble
SHUSH
33.44% like grumble
SHOUT
33.44% like grumble
GASP
33.44% like grumble
SQUEAL
33.44% like grumble
SHRIEK
33.44% like grumble
PEEVED
33.44% like grumble
QUIBBLE
33.44% like grumble
SQUAWK
33.44% like grumble
HUFF
33.44% like grumble
DAWDLE
33.44% like grumble
YELL
33.44% like grumble
SHUDDER
33.44% like grumble
WORRY
33.44% like grumble
WHINED
33.44% like grumble
HISS
33.44% like grumble
YAWN
33.44% like grumble
LAMENT
33.44% like grumble
BELLYACHE
33.44% like grumble
MOANING
33.44% like grumble
HARUMPH
33.44% like grumble
BEGRUDGING
33.44% like grumble
FROWN
33.44% like grumble
GROUSING
33.44% like grumble
WHINGEING
33.44% like grumble
COMPLAINED
33.44% like grumble
GROANED
33.44% like grumble
CHORTLE
33.44% like grumble
WHINES
33.44% like grumble
SNICKERING
33.44% like grumble
SCOWL
33.44% like grumble
ARGUE
33.44% like grumble
REJOICE
33.44% like grumble
SPLUTTER
33.44% like grumble
BELCH
33.44% like grumble
CHURLISH
33.44% like grumble
NITPICK
33.44% like grumble
GROANS
33.44% like grumble
MOANED
33.44% like grumble
SEETHE
33.44% like grumble
SNIVEL
33.44% like grumble
PRATTLE
33.44% like grumble
GRIMACE
33.44% like grumble
SNARL
33.44% like grumble
JEER
33.44% like grumble
COMPLAINERS
33.44% like grumble
GRUNT
33.44% like grumble
ANNOYANCE
33.44% like grumble
GRUMBLING
0% like grumble