Basic explanation:

Hold your nose and expel it with air? : ~ snot.

Related words:

Word group: blow your nose

Homophonic: province? Hey? awake

Same department: Sa? What's wrong? Fight? Tao? Fold? News? Drag? Pick? Keep? Yang?

Same stroke: broken? Eaves? Huh? Hey? Hey? Hey? Hey? Hey? Hey? reins

Folklore reference:

Five elements of Chinese characters: Is gold a common word? number

Nomenclature: Non-surname