tea vs cambric tea

tea and cambric tea both are nouns.

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

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

tea: a beverage made by steeping tea leaves in water
cambric tea: a beverage for children containing hot water and milk and sugar and a small amount of tea

Other hyponyms of tea include cuppa, cupper, herb tea, herbal, herbal tea, ice tea, iced tea, sun tea, white tea.

tea (noun)	cambric tea (noun)
a beverage made by steeping tea leaves in water	a beverage for children containing hot water and milk and sugar and a small amount of tea
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