determiner vs determinative

determiner and determinative both are nouns.

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

As nouns, determiner and determinative are synonyms defined as:

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

As nouns, determiner and determinative are synonyms defined as:

determiner and determinative: one of a limited class of noun modifiers that determine the referents of noun phrases

determiner (noun)	determinative (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	one of a limited class of noun modifiers that determine the referents of noun phrases
an argument that is conclusive

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