machine vs accelerator

machine and accelerator both are nouns.

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

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

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