corpus vs significance

corpus

noun
  • A body, a collection. 

  • Such a collection in form of an electronic database used for linguistic analyses. 

  • A collection of writings, often on a specific topic, of a specific genre, from a specific demographic or a particular author, etc. 

significance

noun
  • Meaning. 

  • The extent to which something matters; importance 

How often have the words corpus and significance occurred in a corpus of books? (source: Google Ngram Viewer )