| ripple(flow, babble, whisper, mutter, mumble) |
| rumble(verb, low, utter, flow, buzz) |
| serenade(verb, wait, shout, whistle, chant) |
| shout(noun, verb, cry, wait, whistle) |
| singsong(verb, wait, shout, whistle, chant) |
| solo(verb, wait, shout, whistle, chant) |
| sough(noun, verb, murmur) |
| sound(noun, noise) |
| stage-whisper(utter, flow, babble, whisper, ripple) |
| stammer(utter, flow, babble, whisper, ripple) |
| stutter(utter, flow, babble, whisper, ripple) |
| susurrate(utter, flow, babble, whisper, ripple) |
| susurration(noun, low, buzz, murmur) |
| take great satisfaction(expression, idiom) |
| tinkle(call, utter, flow, ring, babble) |
| tread on air(expression, idiom) |
| trickle(utter, flow, babble, whisper, ripple) |
| troll(verb, wait, shout, whistle, chant) |
| tune(verb, wait, shout, whistle, chant) |
| ululate(verb, ululate) |