concernment vs relevance

concernment

noun
  • importance; moment; consequence 

  • concern; participation; interposition 

  • emotion of mind; solicitude; anxiety 

  • That in which one is concerned or interested; concern; affair; interest. 

relevance

noun
  • The property or state of being relevant or pertinent. 

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