restitution vs fixing

restitution and fixing both are nouns.

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

As nouns, fixing is a hypernym of restitution; that is, fixing is a word with a broader meaning than restitution:

Other hypernyms of restitution include fix, fixture, mend, mending, repair, reparation.

restitution (noun)	fixing (noun)
getting something back again	the act of putting something in working order again
the act of restoring something to its original state	the sterilization of an animal
a sum of money paid in compensation for loss or injury	(histology) the preservation and hardening of a tissue sample to retain as nearly as possible the same relations they had in the living body
	restraint that attaches to something or holds something in place