tea set vs tableware

tea set and tableware both are nouns.

Word	Noun	Adjective	Verb	Adverb
tea set	Yes	No	No	No
tableware	Yes	No	No	No

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

tea set: a set of china or silverware for serving tea
tableware: articles for use at the table (dishes and silverware and glassware)

tea set (noun)	tableware (noun)
a set of china or silverware for serving tea	articles for use at the table (dishes and silverware and glassware)