determinative vs determining factor

determinative and determining factor both are nouns.

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

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

determinative and determining factor: a determining or causal element or factor

Other synonyms of determinative include causal factor, determinant, determiner.

determinative (noun)	determining factor (noun)
a determining or causal element or factor	a determining or causal element or factor
one of a limited class of noun modifiers that determine the referents of noun phrases	an argument that is conclusive

determinative (adjective)	determining factor (adjective)
having the power or quality of deciding