hematinic vs medicinal drug

hematinic and medicinal drug both are nouns.

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

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

hematinic: a medicine that increases the hemoglobin content of the blood; used to treat iron-deficiency anemia
medicinal drug: (medicine) something that treats or prevents or alleviates the symptoms of disease

Other hypernyms of hematinic include medicament, medication, medicine.

hematinic (noun)	medicinal drug (noun)
a medicine that increases the hemoglobin content of the blood; used to treat iron-deficiency anemia	(medicine) something that treats or prevents or alleviates the symptoms of disease