julep vs highball

julep and highball both are nouns.

Word	Noun	Adjective	Verb	Adverb
julep	Yes	No	No	No
highball	Yes	No	No	No

As nouns, highball is a hypernym of julep; that is, highball is a word with a broader meaning than julep:

julep: bourbon and sugar and mint over crushed ice
highball: a mixed drink made of alcoholic liquor mixed with water or a carbonated beverage and served in a tall glass

julep (noun)	highball (noun)
bourbon and sugar and mint over crushed ice	a mixed drink made of alcoholic liquor mixed with water or a carbonated beverage and served in a tall glass