determinative vs determiner

determinative and determiner both are nouns.

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

As nouns, determinative and determiner are synonyms defined as:

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

As nouns, determinative and determiner are synonyms defined as:

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

determinative (noun)	determiner (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

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