dishware vs egg cup

dishware and egg cup both are nouns.

Word	Noun	Adjective	Verb	Adverb
dishware	Yes	No	No	No
egg cup	Yes	No	No	No

As nouns, egg cup is a hyponym of dishware; that is, egg cup is a word with a more specific, narrower meaning than dishware:

Other hyponyms of dishware include china, chinaware, cup, dish, eggcup, ovenware.

dishware (noun)	egg cup (noun)
tableware (eating and serving dishes) collectively	dishware consisting of a small cup for serving a boiled egg