assibilate
be enthusiastic
blubber
boil
boil over
bubble
bubble over
bubble up
burble
buzz
carry on over
enthuse
ferment
fizz
fizzle
go on over
guggle
gurgle
gush
gush over
hiss
hush
lisp
make much of
plop
rave
rave about
rhapsodize
seethe
shush
sibilate
simmer
siss
sizz
sizzle
sneeze
sniff
sniffle
snore
snort
snuff
snuffle
sparkle
spit
splutter
sputter
squash
squelch
squish
lather
effervesced
effervesces
effervescing
effervescence
effervescent