concord vs patch up

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

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

As verbs, patch up is a hyponym of concord; that is, patch up is a word with a more specific, narrower meaning than concord:

concord (noun)	patch up (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

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