patch up vs concord

patch up is not a noun while concord is a noun.

Word	Noun	Adjective	Verb	Adverb
patch up	No	No	Yes	No
concord	Yes	No	Yes	No

As verbs, concord is a hypernym of patch up; that is, concord is a word with a broader meaning than patch up:

Other hypernyms of patch up include agree, concur, hold.

patch up (noun)	concord (noun)
	agreement of opinions
	the determination of grammatical inflection on the basis of word relations
	a harmonious state of things in general and of their properties (as of colors and sounds); congruity of parts with one another and with the whole

patch up (verb)	concord (verb)
mend by putting a patch on	be in accord; be in agreement
come to terms	arrange the words of a text so as to create a concordance
	arrange by concord or agreement
	go together