clincher vs determining factor

clincher and determining factor both are nouns.

Word	Noun	Adjective	Verb	Adverb
clincher	Yes	No	No	No
determining factor	Yes	No	No	No

As nouns, determining factor is a hypernym of clincher; that is, determining factor is a word with a broader meaning than clincher:

Other hypernyms of clincher include causal factor, determinant, determinative, determiner.

As nouns, clincher and determining factor are synonyms defined as:

Other synonyms of clincher include determiner.

clincher (noun)	determining factor (noun)
a tool used to clinch nails or bolts or rivets	a determining or causal element or factor
a point or fact or remark that settles something conclusively	an argument that is conclusive
an argument that is conclusive