contributory vs contributive

contributory and contributive both are adjectives.

Word	Noun	Adjective	Verb	Adverb
contributory	No	Yes	No	No
contributive	No	Yes	No	No

As adjectives, contributory and contributive are synonyms defined as:

contributory and contributive: tending to bring about; being partly responsible for

Other synonyms of contributory include conducive, contributing, tributary.

contributory (adjective)	contributive (adjective)
tending to bring about; being partly responsible for	tending to bring about; being partly responsible for