crossfire vs firing

crossfire and firing both are nouns.

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

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

Other hypernyms of crossfire include fire.

crossfire (noun)	firing (noun)
fire from two or more points so that the lines of fire cross	the act of setting something on fire
a lively or heated interchange of ideas and opinions	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