birth control pill vs oral contraceptive

birth control pill and oral contraceptive both are nouns.

Word	Noun	Adjective	Verb	Adverb
birth control pill	Yes	No	No	No
oral contraceptive	Yes	No	No	No

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

birth control pill and oral contraceptive: a contraceptive in the form of a pill containing estrogen and progestin to inhibit ovulation and so prevent conception

Other synonyms of birth control pill include anovulant, anovulatory drug, contraceptive pill, oral contraceptive pill, pill.

birth control pill (noun)	oral contraceptive (noun)
a contraceptive in the form of a pill containing estrogen and progestin to inhibit ovulation and so prevent conception	a contraceptive in the form of a pill containing estrogen and progestin to inhibit ovulation and so prevent conception