clinch vs clincher

clinch and clincher both are nouns.

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

clinch (noun)	clincher (noun)
(boxing) the act of one boxer holding onto the other to avoid being hit and to rest momentarily	a tool used to clinch nails or bolts or rivets
a tight or amorous embrace	a point or fact or remark that settles something conclusively
the flattened part of a nail or bolt or rivet	an argument that is conclusive
a small slip noose made with seizing
a device (generally used by carpenters) that holds things firmly together

clinch (verb)	clincher (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