justice vs fairness

justice and fairness both are nouns.

Word	Noun	Adjective	Verb	Adverb
justice	Yes	No	No	No
fairness	Yes	No	No	No

As nouns, fairness is a hyponym of justice; that is, fairness is a word with a more specific, narrower meaning than justice:

Other hyponyms of justice include equity, right, rightfulness.

justice (noun)	fairness (noun)
judgment involved in the determination of rights and the assignment of rewards and punishments	conformity with rules or standards
the quality of being just or fair	the property of having a naturally light complexion
a public official authorized to decide questions brought before a court of justice	the quality of being good looking and attractive
	ability to make judgments free from discrimination or dishonesty