murmur Synonyms

muttering croak grumble grumbling murmuring murmuration mutter gnarl susurrus sough stammer stutter suspiration suspire susurration thrum purring sigh purl purling purr repine ripple rumble rumbling rustling rustle sibilate sighing thrumming undercurrent whirr burbling cardiac murmur heart murmur mussitate murmur vowel schwa susurrate soughing riptide throated whispers grouch backblast undertone undertow vocalism whimper whine