neutralization fire vs firing

neutralization fire and firing both are nouns.

Word	Noun	Adjective	Verb	Adverb
neutralization fire	Yes	No	No	No
firing	Yes	No	No	No

As nouns, firing is a hypernym of neutralization fire; that is, firing is a word with a broader meaning than neutralization fire:

neutralization fire: fire that is delivered in order to render the target ineffective or unusable
firing: the act of firing weapons or artillery at an enemy

Other hypernyms of neutralization fire include fire.

neutralization fire (noun)	firing (noun)
fire that is delivered in order to render the target ineffective or unusable	the act of setting something on 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