sucralfate vs medicinal drug

sucralfate and medicinal drug both are nouns.

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

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

sucralfate: medicine consisting of a tablet (trade name Carafate) used to treat peptic ulcers; said to bind to the ulcer site and coat it
medicinal drug: (medicine) something that treats or prevents or alleviates the symptoms of disease

Other hypernyms of sucralfate include medicament, medication, medicine.

sucralfate (noun)	medicinal drug (noun)
medicine consisting of a tablet (trade name Carafate) used to treat peptic ulcers; said to bind to the ulcer site and coat it	(medicine) something that treats or prevents or alleviates the symptoms of disease