grill vs cook

grill and cook both are nouns.

Word	Noun	Adjective	Verb	Adverb
grill	Yes	No	Yes	No
cook	Yes	No	Yes	No

As verbs, cook is a hypernym of grill; that is, cook is a word with a broader meaning than grill:

grill (noun)	cook (noun)
a framework of metal bars used as a partition or a grate	someone who cooks food
a restaurant where food is cooked on a grill

grill (verb)	cook (verb)
cook over or under a grill	transform and make suitable for consumption by heating
examine thoroughly	transform by heating
	prepare for eating by applying heat
	prepare a hot meal
	tamper, with the purpose of deception