pottery vs lusterware

pottery and lusterware both are nouns.

Word	Noun	Adjective	Verb	Adverb
pottery	Yes	No	No	No
lusterware	Yes	No	No	No

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

pottery: ceramic ware made from clay and baked in a kiln
lusterware: pottery with a metallic sheen produced by adding metallic oxides to the glaze

Other hyponyms of pottery include agateware, Wedgwood.

pottery (noun)	lusterware (noun)
the craft of making earthenware	pottery with a metallic sheen produced by adding metallic oxides to the glaze
ceramic ware made from clay and baked in a kiln
a workshop where clayware is made