heater vs heat

heater and heat both are nouns.

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

heater (noun)	heat (noun)
(baseball) a pitch thrown with maximum velocity	utility to warm a building
device that heats water or supplies warmth to a room	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

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