murmur   
bitsika
a whisper, a conversation carried on in a low voice; a soft murmuring sound. [Mal. Bisik.] [1.2]
migoangoana
to murmur, as water falling, or as people coming from a building [1.2]
minemonemona
to murmur, to grumble. [1.2]
mingonona
to mutter, to grumble, to murmur [1.2]
mingonongonona
to mutter, to grumble, to murmur [1.1]