mend vs restitution

mend and restitution both are nouns.

Word	Noun	Adjective	Verb	Adverb
mend	Yes	No	Yes	No
restitution	Yes	No	No	No

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

mend (noun)	restitution (noun)
the act of putting something in working order again	getting something back again
sewing that repairs a worn or torn hole (especially in a garment)	the act of restoring something to its original state
	a sum of money paid in compensation for loss or injury

mend (verb)	restitution (verb)
restore by replacing a part or putting together what is torn or broken
heal or recover