distributed fire vs firing

distributed fire and firing both are nouns.

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

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

Other hypernyms of distributed fire include fire.

distributed fire (noun)	firing (noun)
fire dispersed so as to engage effectively an area target	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