concurrence vs accord

concurrence and accord both are nouns.

Word	Noun	Adjective	Verb	Adverb
concurrence	Yes	No	No	No
accord	Yes	No	Yes	No

As nouns, accord is a hypernym of concurrence; that is, accord is a word with a broader meaning than concurrence:

Other hypernyms of concurrence include agreement.

concurrence (noun)	accord (noun)
acting together, as agents or circumstances or events	sympathetic compatibility
the temporal property of two things happening at the same time	concurrence of opinion
agreement of results or opinions	a written agreement between two states or sovereigns
a state of cooperation	harmony of people's opinions or actions or characters

concurrence (verb)	accord (verb)
	allow to have
	go together