rickey vs mixed drink

rickey and mixed drink both are nouns.

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

As nouns, mixed drink is a hypernym of rickey; that is, mixed drink is a word with a broader meaning than rickey:

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

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