accelerator vs machine

accelerator and machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
accelerator	Yes	No	No	No
machine	Yes	No	Yes	No

accelerator (noun)	machine (noun)
a valve that regulates the supply of fuel to the engine	any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks
a scientific instrument that increases the kinetic energy of charged particles	a motor vehicle with four wheels; usually propelled by an internal combustion engine
a pedal that controls the throttle valve	a device for overcoming resistance at one point by applying force at some other point
(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected	a group that controls the activities of a political party
	an intricate organization that accomplishes its goals efficiently
	an efficient person

accelerator (verb)	machine (verb)
	make by machinery
	turn, shape, mold, or otherwise finish by machinery