manhattan vs cocktail

manhattan and cocktail both are nouns.

Word	Noun	Adjective	Verb	Adverb
manhattan	Yes	No	No	No
cocktail	Yes	No	No	No

As nouns, cocktail is a hypernym of manhattan; that is, cocktail is a word with a broader meaning than manhattan:

manhattan: a cocktail made with whiskey and sweet vermouth with a dash of bitters
cocktail: a short mixed drink

manhattan (noun)	cocktail (noun)
a cocktail made with whiskey and sweet vermouth with a dash of bitters	a short mixed drink
	an appetizer served as a first course at a meal