cupper vs tea

cupper and tea both are nouns.

Word	Noun	Adjective	Verb	Adverb
cupper	Yes	No	No	No
tea	Yes	No	No	No

As nouns, tea is a hypernym of cupper; that is, tea is a word with a broader meaning than cupper:

cupper (noun)	tea (noun)
a cup of tea	a beverage made by steeping tea leaves in water
	a light midafternoon meal of tea and sandwiches or cakes
	dried leaves of the tea shrub; used to make tea
	a tropical evergreen shrub or small tree extensively cultivated in e.g. China and Japan and India; source of tea leaves