balbucear, farfullar, mascullar, murmurar, musitar, susurrar, tartajear, tartamudear
barbotar, barbullar, farfullar, mamullar, mascullar, musitar, tartajear
farfullar, ganguear
balbucear
bisbisar, bisbisear, cuchichear, farfullar, mascullar, murmurar, musitar, refunfuñar, susurrar
balbucear, vacilar
cuchichear, hablar, murmurar, musitar, susurrar