knockout punch vs punch

knockout punch and punch both are nouns.

Word	Noun	Adjective	Verb	Adverb
knockout punch	Yes	No	No	No
punch	Yes	No	Yes	No

As nouns, punch is a hypernym of knockout punch; that is, punch is a word with a broader meaning than knockout punch:

knockout punch: a hard punch that renders the opponent unable to continue boxing
punch: (boxing) a blow with the fist

Other hypernyms of knockout punch include biff, clout, lick, poke, slug.

knockout punch (noun)	punch (noun)
a hard punch that renders the opponent unable to continue boxing	(boxing) a blow with the fist
	a tool for making holes or indentations
	an iced mixed drink usually containing alcohol and prepared for multiple servings; normally served in a punch bowl

knockout punch (verb)	punch (verb)
	deliver a quick blow to
	make a hole into or between, as for ease of separation
	drive forcibly as if by a punch