reparation vs mending

reparation and mending both are nouns.

Word	Noun	Adjective	Verb	Adverb
reparation	Yes	No	No	No
mending	Yes	No	No	No

As nouns, reparation and mending are synonyms defined as:

reparation and mending: the act of putting something in working order again

Other synonyms of reparation include fix, fixing, fixture, mend, repair.

reparation (noun)	mending (noun)
something done or paid in expiation of a wrong	the act of putting something in working order again
the act of putting something in working order again	garments that must be repaired
(usually plural) compensation exacted from a defeated nation by the victors
compensation (given or received) for an insult or injury