sudatory vs medicinal drug

sudatory and medicinal drug both are nouns.

Word	Noun	Adjective	Verb	Adverb
sudatory	Yes	No	No	No
medicinal drug	Yes	No	No	No

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

sudatory: a medicine that causes or increases sweating
medicinal drug: (medicine) something that treats or prevents or alleviates the symptoms of disease

Other hypernyms of sudatory include medicament, medication, medicine.

sudatory (noun)	medicinal drug (noun)
a bathhouse for hot air baths or steam baths	(medicine) something that treats or prevents or alleviates the symptoms of disease
a medicine that causes or increases sweating