anovulant vs anovulatory drug

anovulant and anovulatory drug both are nouns.

Word	Noun	Adjective	Verb	Adverb
anovulant	Yes	No	No	No
anovulatory drug	Yes	No	No	No

As nouns, anovulant and anovulatory drug are synonyms defined as:

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

anovulant (noun)	anovulatory drug (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