muffin cup vs cookware

muffin cup and cookware both are nouns.

Word	Noun	Adjective	Verb	Adverb
muffin cup	Yes	No	No	No
cookware	Yes	No	No	No

As nouns, cookware is a hypernym of muffin cup; that is, cookware is a word with a broader meaning than muffin cup:

muffin cup: a round sheet of paper, foil, or silicone with scallop-pressed edges, giving the muffin a round cup shape.
cookware: a kitchen utensil made of material that does not melt easily; used for cooking

Other hypernyms of muffin cup include cooking utensil, cup.

muffin cup (noun)	cookware (noun)
a round sheet of paper, foil, or silicone with scallop-pressed edges, giving the muffin a round cup shape.	a kitchen utensil made of material that does not melt easily; used for cooking