vermicide vs medicinal drug

vermicide and medicinal drug both are nouns.

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

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

vermicide: an agent that kills worms (especially those in the intestines)
medicinal drug: (medicine) something that treats or prevents or alleviates the symptoms of disease

Other hypernyms of vermicide include medicament, medication, medicine, agent.

vermicide (noun)	medicinal drug (noun)
an agent that kills worms (especially those in the intestines)	(medicine) something that treats or prevents or alleviates the symptoms of disease