cooking vs broil

cooking and broil both are nouns.

Word	Noun	Adjective	Verb	Adverb
cooking	Yes	No	No	No
broil	Yes	No	Yes	No

As nouns, broil is a hyponym of cooking; that is, broil is a word with a more specific, narrower meaning than cooking:

cooking: the act of preparing something (as food) by the application of heat
broil: cooking by direct exposure to radiant heat (as over a fire or under a grill)

cooking (noun)	broil (noun)
the act of preparing something (as food) by the application of heat	cooking by direct exposure to radiant heat (as over a fire or under a grill)

cooking (verb)	broil (verb)
	cook under a broiler
	heat by a natural force
	be very hot, due to hot weather or exposure to the sun