concordance

Short definition from Wiktionary

Noun

1. 1
   Agreement; accordance; consonance.
2. 2
   Agreement of words with one another; concord.
3. 3
   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.
4. 4
   A list of occurrences of a word or phrase from a corpus, with the immediate context.
5. 5
   The probability that a pair of individuals will both have a certain characteristic (phenotypic trait) given that one of the pair has the characteristic.

Verb

1. 1
   To create a concordance from (a corpus).