injury vs injure

injury is a noun but injure is not a noun.

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

injury (noun)	injure (noun)
wrongdoing that violates another's rights and is unjustly inflicted
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

injury (verb)	injure (verb)
	cause injuries or bodily harm to
	cause damage or affect negatively
	hurt the feelings of