quick fix vs mending

quick fix and mending both are nouns.

Word	Noun	Adjective	Verb	Adverb
quick fix	Yes	No	No	No
mending	Yes	No	No	No

As nouns, mending is a hypernym of quick fix; that is, mending is a word with a broader meaning than quick fix:

Other hypernyms of quick fix include fix, fixing, fixture, mend, repair, reparation.

quick fix (noun)	mending (noun)
hurried repair	the act of putting something in working order again
	garments that must be repaired