knockout punch vs clout

knockout punch and clout both are nouns.

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

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

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

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

knockout punch (noun)	clout (noun)
a hard punch that renders the opponent unable to continue boxing	(boxing) a blow with the fist
	a short nail with a flat head; used to attach sheet metal to wood
	special advantage or influence
	a target used in archery

knockout punch (verb)	clout (verb)
	strike hard, especially with the fist