glutethimide vs downer

glutethimide and downer both are nouns.

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

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

glutethimide: sedative (trade name Doriden) used to treat some sleep disorders
downer: a drug that reduces excitability and calms a person

Other hypernyms of glutethimide include depressant, sedative, sedative drug.

glutethimide (noun)	downer (noun)
sedative (trade name Doriden) used to treat some sleep disorders	a drug that reduces excitability and calms a person