Synonyms of susurration

1 Syllable
hum, sigh, buzz, purr, sough
2 Syllables
drone, whispers, babble, rumble, mumble, rumor, murmurs, mutter, buzzing, humming, murmur, grumble, whisper
3 Syllables
muttering, susurrus, whispering
4 Syllables
murmuration, macerations, maceration, divulgence, mollescence, undertone