Babble

babil

(the sound of flowing water)

babillage

(idle talk)

bavardage

(idle talk)

charabia

(inarticulate speech)

galimatias

(inarticulate speech)

jargon

(inarticulate speech)

murmure

(the sound of flowing water)

babiller

(to make a continuous murmuring noise)

bavarder

(to talk much)

caqueter

(to talk much)

jaboter

(to talk much)

jacasser

(to talk much)

jargonner

(to utter words indistinctly)

marmonner

(to utter words indistinctly)

marmotter

(to utter words indistinctly)

murmurer

(to make a continuous murmuring noise)

papoter

(to talk much)

susurrer

(to make a continuous murmuring noise)