lighting vs ignition

lighting and ignition both are nouns.

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

As nouns, lighting and ignition are synonyms defined as:

Other synonyms of lighting include firing, inflammation, kindling.

lighting (noun)	ignition (noun)
the act of setting something on fire	the act of setting something on fire
the craft of providing artificial light	the mechanism that ignites the fuel in an internal-combustion engine
apparatus for supplying artificial light effects for the stage or a film	the process of initiating combustion or catching fire
having abundant light or illumination