1. psithurism—
A: sound of flapping wings.
B: sound of rolling waves.
C: sound of rustling leaves.
2. ululate—
A: emotional wail.
B: chew noisily.
C: audible whisper not meant to be heard.
3. pule—
A: murmur soothingly.
B: whine or whimper.
C: gurgling liquid.
4. babel—
A: endless