1.
Concord is a state of peaceful agreement. (FORMAL)
They expressed the hope that he would pursue a neutral and balanced policy for the sake of national ~.
= harmony
? discord
N-UNCOUNT
2.
In grammar, ~ refers to the way that a word has a form appropriate to the number or gender of the noun or pronoun it relates to. For example, in ‘He hates it’, there is ~ between the singular form of the verb and the singular pronoun ‘he’.
= agreement
N-UNCOUNT