radiator vs heat

radiator and heat both are nouns.

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

radiator (noun)	heat (noun)
a mechanism consisting of a metal honeycomb through which hot fluids circulate; heat is transferred from the fluid through the honeycomb to the airstream that is created either by the motion of the vehicle or by a fan	utility to warm a building
heater consisting of a series of pipes for circulating steam or hot water to heat rooms or buildings	the presence of heat
any object that radiates energy	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

radiator (verb)	heat (verb)
	gain heat or get hot
	make hot or hotter
	arouse or excite feelings and passions
	provide with heat