clincher vs clinch

clincher and clinch both are nouns.

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

clincher (noun)	clinch (noun)
a tool used to clinch nails or bolts or rivets	(boxing) the act of one boxer holding onto the other to avoid being hit and to rest momentarily
a point or fact or remark that settles something conclusively	a tight or amorous embrace
an argument that is conclusive	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

clincher (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