concordancer
/ˌkɒn.kɔrˈdænsər, -ˌkɔr-/Definitions
1. noun
A computer program that finds and displays the contexts in which words or phrases are used in a body of text, especially to assist in language translation or corpus linguistics.
“The linguist used a concordancer to analyze the frequency of verb usage in the novel.”
2. verb
To use a concordancer to search for and display the contexts in which words or phrases are used in a body of text.
“She concordanced the corpus to identify patterns in language usage.”