spoiling vs injury

spoiling and injury both are nouns.

Word	Noun	Adjective	Verb	Adverb
spoiling	Yes	No	No	No
injury	Yes	No	No	No

As nouns, injury is a hypernym of spoiling; that is, injury is a word with a broader meaning than spoiling:

spoiling (noun)	injury (noun)
the act of spoiling something by causing damage to it	wrongdoing that violates another's rights and is unjustly inflicted
the process of becoming spoiled	an act that causes someone or something to receive physical damage
	an accident that results in physical damage or hurt
	a casualty to military personnel resulting from combat
	any physical damage to the body caused by violence or accident or fracture etc.; the condition of an injury