patching vs repair

patching and repair both are nouns.

Word	Noun	Adjective	Verb	Adverb
patching	Yes	No	No	No
repair	Yes	No	Yes	No

As nouns, repair is a hypernym of patching; that is, repair is a word with a broader meaning than patching:

Other hypernyms of patching include fix, fixing, fixture, mend, mending, reparation.

patching (noun)	repair (noun)
the act of mending a hole in a garment by sewing a patch over it	the act of putting something in working order again
	a frequently visited place
	a formal way of referring to the condition of something

patching (verb)	repair (verb)
	give new life or energy to
	restore by replacing a part or putting together what is torn or broken
	set straight or right
	move, travel, or proceed toward some place
	make amends for; pay compensation for