kindling vs firing

kindling and firing both are nouns.

Word	Noun	Adjective	Verb	Adverb
kindling	Yes	No	No	No
firing	Yes	No	No	No

As nouns, kindling and firing are synonyms defined as:

Other synonyms of kindling include ignition, inflammation, lighting.

kindling (noun)	firing (noun)
the act of setting something on fire	the act of setting something on fire
material for starting a fire	the termination of someone's employment (leaving them free to depart)
	the act of discharging a gun
	the act of firing weapons or artillery at an enemy