meal vs tea

meal and tea both are nouns.

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

As nouns, tea is a hyponym of meal; that is, tea is a word with a more specific, narrower meaning than meal:

meal (noun)	tea (noun)
the food served and eaten at one time	a beverage made by steeping tea leaves in water
coarsely ground foodstuff; especially seeds of various cereal grasses or pulse	a light midafternoon meal of tea and sandwiches or cakes
any of the occasions for eating food that occur by custom or habit at more or less fixed times	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