grater vs kitchen utensil

grater and kitchen utensil both are nouns.

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

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

grater: utensil with sharp perforations for shredding foods (as vegetables or cheese)
kitchen utensil: a utensil used in preparing food

grater (noun)	kitchen utensil (noun)
utensil with sharp perforations for shredding foods (as vegetables or cheese)	a utensil used in preparing food