heat vs broil

heat and broil both are nouns.

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

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

Other hyponyms of heat include crisp, crispen, toast, scald, soak, calcine, preheat, overheat, scorch, sear, bake, reheat.

heat (noun)	broil (noun)
utility to warm a building	cooking by direct exposure to radiant heat (as over a fire or under a grill)
the presence of heat
the trait of being intensely emotional
the sensation caused by heat energy
a preliminary race in which the winner advances to a more important race
a form of energy that is transferred by a difference in temperature
applies to nonhuman mammals: a state or period of heightened sexual arousal and activity

heat (verb)	broil (verb)
gain heat or get hot	cook under a broiler
make hot or hotter	heat by a natural force
arouse or excite feelings and passions	be very hot, due to hot weather or exposure to the sun
provide with heat