Atrovent vs bronchodilator

Atrovent and bronchodilator both are nouns.

Word	Noun	Adjective	Verb	Adverb
Atrovent	Yes	No	No	No
bronchodilator	Yes	No	No	No

As nouns, bronchodilator is a hypernym of Atrovent; that is, bronchodilator is a word with a broader meaning than Atrovent:

Atrovent: an inhaled bronchodilator (trade name Atrovent)
bronchodilator: a drug that relaxes and dilates the bronchial passageways and improves the passages of air into the lungs

Atrovent (noun)	bronchodilator (noun)
an inhaled bronchodilator (trade name Atrovent)	a drug that relaxes and dilates the bronchial passageways and improves the passages of air into the lungs