retribution vs requital

retribution and requital both are nouns.

Word	Noun	Adjective	Verb	Adverb
retribution	Yes	No	No	No
requital	Yes	No	No	No

As nouns, retribution and requital are synonyms defined as:

retribution (noun)	requital (noun)
the act of correcting for your wrongdoing	an act of requiting; returning in kind
the act of taking revenge (harming someone in retaliation for something harmful that they have done) especially in the next life	a justly deserved penalty
a justly deserved penalty