Feosol vs drug

Feosol and drug both are nouns.

Word	Noun	Adjective	Verb	Adverb
Feosol	Yes	No	No	No
drug	Yes	No	Yes	No

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

Feosol: trade name of a drug rich in iron; used to treat some kinds of anemia
drug: a substance that is used as a medicine or narcotic

Feosol (noun)	drug (noun)
trade name of a drug rich in iron; used to treat some kinds of anemia	a substance that is used as a medicine or narcotic

Feosol (verb)	drug (verb)
	administer a drug to
	use recreational drugs