justify vs maintain

justify and maintain both are verbs.

Word	Noun	Adjective	Verb	Adverb
justify	No	No	Yes	No
maintain	No	No	Yes	No

As verbs, maintain is a hypernym of justify; that is, maintain is a word with a broader meaning than justify:

Other hypernyms of justify include uphold.

justify (verb)	maintain (verb)
adjust the spaces between words	stick to correctly or closely
show to be right by providing justification or proof	state categorically
(used of God) declare innocent; absolve from the penalty of sin	state or assert
	support against an opponent
	maintain by writing regular records
	supply with necessities and support
	keep in safety and protect from harm, decay, loss, or destruction
	have and exercise
	maintain for use and service
	cause to continue in a certain state, position, or activity