concordance

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Agreement; concord.
• noun An alphabetical index of all the words in a text or corpus of texts, showing every contextual occurrence of a word.
• noun Genetics The presence of a given trait in both members of a pair of twins.

from The Century Dictionary.

• noun In music, concord or consonance in the technical sense of these words: opposed to dissonance or discord.
• noun The state of being concordant; agreement; harmony.
• noun The knowledge concerning the sympathies and concordances between the mind and body.
• noun In grammar, concord.
• noun A classified collection of the different passages of a work, as of the Bible or the plays of Shakspere, with references to the places of their occurrence.

from the GNU version of the Collaborative International Dictionary of English.

• noun Agreement; accordance.
• noun (Gram.), obsolete Concord; agreement.
• noun An alphabetical verbal index showing the places in the text of a book where each principal word may be found, with its immediate context in each place.
• noun A topical index or orderly analysis of the contents of a book.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun agreement; accordance; consonance
• noun grammar, obsolete concord; agreement.
• noun An alphabetical verbal index showing the places in the text of a book where each principal word may be found, with its immediate context in each place.
• noun computational linguistics a list of occurrences of a word or phrase from a corpus, with the immediate context.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun agreement of opinions
• noun an index of all main words in a book along with their immediate contexts
• noun 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