oral contraceptive vs oral contraceptive pill

oral contraceptive and oral contraceptive pill both are nouns.

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

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

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

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

oral contraceptive (noun)	oral contraceptive pill (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