Main Entry: con·cor·dance

Pronunciation: \kən-ˈkȯr-d^ən(t)s, kän-\

Function: noun

Etymology: Middle English, from Anglo-French, from Medieval Latin concordantia, from Latin concordant-, concordans, present participle of concordare to agree, from concord-, concors

Date: 14th century

1 : an alphabetical index of the principal words in a book or the works of an author with their immediate contexts
2 : concord, agreement