glasswork vs tableware

glasswork and tableware both are nouns.

Word	Noun	Adjective	Verb	Adverb
glasswork	Yes	No	No	No
tableware	Yes	No	No	No

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

glasswork: an article of tableware made of glass
tableware: articles for use at the table (dishes and silverware and glassware)

glasswork (noun)	tableware (noun)
an article of tableware made of glass	articles for use at the table (dishes and silverware and glassware)