rivet vs clinch

rivet and clinch both are nouns.

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

rivet (noun)	clinch (noun)
heavy pin having a head at one end and the other end being hammered flat after being passed through holes in the pieces that are fastened together	(boxing) the act of one boxer holding onto the other to avoid being hit and to rest momentarily
ornament consisting of a circular rounded protuberance (as on a vault or shield or belt)	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

rivet (verb)	clinch (verb)
direct one's attention on something	settle conclusively
hold (someone's attention)	flatten the ends (of nails and rivets)
fasten with a rivet or 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