piss-up vs tear

piss-up and tear both are nouns.

Word	Noun	Adjective	Verb	Adverb
piss-up	Yes	No	No	No
tear	Yes	No	Yes	No

As nouns, tear is a hypernym of piss-up; that is, tear is a word with a broader meaning than piss-up:

Other hypernyms of piss-up include binge, bout, bust.

piss-up (noun)	tear (noun)
vulgar expression for a bout of heavy drinking	a drop of the clear salty saline solution secreted by the lacrimal glands
	the act of tearing
	an occasion for excessive eating or drinking
	an opening made forcibly as by pulling apart

piss-up (verb)	tear (verb)
	separate or cause to separate abruptly
	to separate or be separated by force
	strip of feathers
	move quickly and violently
	fill with tears or shed tears