preventive vs contraceptive

preventive and contraceptive both are nouns.

Word	Noun	Adjective	Verb	Adverb
preventive	Yes	Yes	No	No
contraceptive	Yes	Yes	No	No

As nouns, preventive and contraceptive are synonyms defined as:

preventive and contraceptive: an agent or device intended to prevent conception

Other synonyms of preventive include birth control device, contraceptive device, preventative, prophylactic device.

preventive (noun)	contraceptive (noun)
remedy that prevents or slows the course of an illness or disease	an agent or device intended to prevent conception
an agent or device intended to prevent conception
any obstruction that impedes or is burdensome

preventive (adjective)	contraceptive (adjective)
tending to prevent or hinder	capable of preventing conception or impregnation
preventing or contributing to the prevention of disease