ignition vs ignite

ignition is a noun but ignite is not a noun.

Word	Noun	Adjective	Verb	Adverb
ignition	Yes	No	No	No
ignite	No	No	Yes	No

ignition (noun)	ignite (noun)
the act of setting something on fire
the mechanism that ignites the fuel in an internal-combustion engine
the process of initiating combustion or catching fire

ignition (verb)	ignite (verb)
	start or maintain a fire in
	arouse or excite feelings and passions
	cause to start burning; subject to fire or great heat
	start to burn or burst into flames