aeroplane vs accelerator

aeroplane and accelerator both are nouns.

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

aeroplane (noun)	accelerator (noun)
an aircraft that has a fixed wing and is powered by propellers or jets	a valve that regulates the supply of fuel to the engine
	a scientific instrument that increases the kinetic energy of charged particles
	a pedal that controls the throttle valve
	(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected