To groan or moan due to illness or physical pain; to make low sounds from the nose.

to hum or croon softly; to sing abstractedly or to oneself

to mutter or speak softly in a way that is hard to hear; to whisper; to hum or chant quietly

a humming sound; a groan

to speak, recite, or sing in a low, slow, or rhythmic voice

enraged; furious; huffing and puffing in anger; fuming with one's breath sounding through the nose

Originally the two fierce gods guarding the gates of a Buddhist temple, one of whom snorts white gas and the other breathes out yellow gas to defeat enemies.

to puff and pant; onomatopoeia for the sound of heavy breathing or exertion

to not say a word, especially when one is expected to speak; to be quiet or silent

Rhythmic sound made by people to coordinate their actions during heavy manual labor, such as lifting or pulling.

muttering or vague sounds made from the nose and mouth, often to show disdain or perfunctory agreement

Shows agreement or indicates that one is listening; equivalent to the English "uh-huh" or "hmm"