downer vs medication

downer and medication both are nouns.

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

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

downer: a drug that reduces excitability and calms a person
medication: (medicine) something that treats or prevents or alleviates the symptoms of disease

Other hypernyms of downer include drug of abuse, street drug, medicament, medicinal drug, medicine.

downer (noun)	medication (noun)
a drug that reduces excitability and calms a person	the act of treating with medicines or remedies
	(medicine) something that treats or prevents or alleviates the symptoms of disease