cookware vs kitchen utensil

cookware and kitchen utensil both are nouns.

Word	Noun	Adjective	Verb	Adverb
cookware	Yes	No	No	No
kitchen utensil	Yes	No	No	No

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

cookware: a kitchen utensil made of material that does not melt easily; used for cooking
kitchen utensil: a utensil used in preparing food

cookware (noun)	kitchen utensil (noun)
a kitchen utensil made of material that does not melt easily; used for cooking	a utensil used in preparing food