decongestant vs medication

decongestant and medication both are nouns.

Word	Noun	Adjective	Verb	Adverb
decongestant	Yes	No	No	No
medication	Yes	No	No	No

As nouns, medication is a hypernym of decongestant; that is, medication is a word with a broader meaning than decongestant:

decongestant: a drug that decreases pulmonary congestion
medication: (medicine) something that treats or prevents or alleviates the symptoms of disease

Other hypernyms of decongestant include medicament, medicinal drug, medicine.

decongestant (noun)	medication (noun)
a drug that decreases pulmonary congestion	the act of treating with medicines or remedies
	(medicine) something that treats or prevents or alleviates the symptoms of disease