concord
noun [ U ] uk/ˈkɒŋ.kɔːd/ us/ˈkɑːŋ.kɔːrd/
formal协调;和谐;和睦
agreement and peace between countries and people
nations living in concord 和睦相处的国家
Compare: discord (DISAGREEMENT)
language specialized（语法中单复数等的）一致，一致关系
the situation in which the words in a sentence match each other according to the rules of grammar, for example when the verb is plural because the subject of the sentence is plural