oxytocic drug vs medicament

oxytocic drug and medicament both are nouns.

Word	Noun	Adjective	Verb	Adverb
oxytocic drug	Yes	No	No	No
medicament	Yes	No	No	No

As nouns, medicament is a hypernym of oxytocic drug; that is, medicament is a word with a broader meaning than oxytocic drug:

oxytocic drug: a drug that induces labor by stimulating contractions of the muscles of the uterus
medicament: (medicine) something that treats or prevents or alleviates the symptoms of disease

Other hypernyms of oxytocic drug include medication, medicinal drug, medicine.

oxytocic drug (noun)	medicament (noun)
a drug that induces labor by stimulating contractions of the muscles of the uterus	(medicine) something that treats or prevents or alleviates the symptoms of disease