contraceptive device vs birth control device

contraceptive device and birth control device both are nouns.

Word	Noun	Adjective	Verb	Adverb
contraceptive device	Yes	No	No	No
birth control device	Yes	No	No	No

As nouns, contraceptive device and birth control device are synonyms defined as:

contraceptive device and birth control device: an agent or device intended to prevent conception

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

contraceptive device (noun)	birth control device (noun)
an agent or device intended to prevent conception	an agent or device intended to prevent conception