pugilism vs clinch

pugilism and clinch both are nouns.

Word	Noun	Adjective	Verb	Adverb
pugilism	Yes	No	No	No
clinch	Yes	No	Yes	No

pugilism (noun)	clinch (noun)
fighting with the fists	(boxing) the act of one boxer holding onto the other to avoid being hit and to rest momentarily
	a tight or amorous embrace
	the flattened part of a nail or bolt or rivet
	a small slip noose made with seizing
	a device (generally used by carpenters) that holds things firmly together

pugilism (verb)	clinch (verb)
	settle conclusively
	flatten the ends (of nails and rivets)
	secure or fasten by flattening the ends of nails or bolts
	hold in a tight grasp
	embrace amorously
	hold a boxing opponent with one or both arms so as to prevent punches