silverware vs tableware

silverware and tableware both are nouns.

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

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

silverware: tableware made of silver or silver plate or pewter or stainless steel
tableware: articles for use at the table (dishes and silverware and glassware)

silverware (noun)	tableware (noun)
tableware made of silver or silver plate or pewter or stainless steel	articles for use at the table (dishes and silverware and glassware)