air a grievance
aspirate
aspiration
bark
bated breath
bawl
beef
bellow
bellyache
bitch
blare
blat
blubber
boom
bray
breath
breathe
breathy voice
buzz
cackle
chant
chirp
clamor
complain
coo
crab
croak
crow
cry
dolorous tirade
drawl
drone
droning
exclaim
exhalation
flute
fret
fret and fume
fumble
fuss
gabble
gasp
gibber
gibbering
gripe
groan
grouch
grouse
growl
complaint
kick
kvetch
mouth
plain
quetch
sound
sound off
speak
talk
utter
verbalise
verbalize
muttered
muttering
mutters
glower
grimace
grunt
insufflation
mumble
mutterings
rustlings
Nutter
Sutter
aflutter
butter
clutter
cutter
flutter
gutter
hutter
nutter
putter
rutter
shutter
sputter
stutter