inflammation vs firing

inflammation and firing both are nouns.

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

As nouns, inflammation and firing are synonyms defined as:

Other synonyms of inflammation include ignition, kindling, lighting.

inflammation (noun)	firing (noun)
arousal to violent emotion	the act of setting something on fire
the act of setting something on fire	the termination of someone's employment (leaving them free to depart)
a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat	the act of discharging a gun
the state of being emotionally aroused and worked up	the act of firing weapons or artillery at an enemy