mixed drink vs rickey

mixed drink and rickey both are nouns.

Word	Noun	Adjective	Verb	Adverb
mixed drink	Yes	No	No	No
rickey	Yes	No	No	No

As nouns, rickey is a hyponym of mixed drink; that is, rickey is a word with a more specific, narrower meaning than mixed drink:

mixed drink: made of two or more ingredients
rickey: a mixed drink made of sweetened lime juice and soda water usually with liquor

mixed drink (noun)	rickey (noun)
made of two or more ingredients	a mixed drink made of sweetened lime juice and soda water usually with liquor