determinant vs determinative

determinant and determinative both are nouns.

Word	Noun	Adjective	Verb	Adverb
determinant	Yes	Yes	No	No
determinative	Yes	Yes	No	No

As adjectives, determinant and determinative are synonyms defined as:

Other synonyms of determinant include deciding, determining.

As nouns, determinant and determinative are synonyms defined as:

determinant and determinative: a determining or causal element or factor

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

determinant (noun)	determinative (noun)
a determining or causal element or factor	a determining or causal element or factor
a square matrix used to solve simultaneous equations	one of a limited class of noun modifiers that determine the referents of noun phrases
the site on the surface of an antigen molecule to which an antibody attaches itself

determinant (adjective)	determinative (adjective)
having the power or quality of deciding	having the power or quality of deciding