composer vs versifier

composer

noun
  • One who, or that which, quiets or calms. 

  • One who composes; an author. 

  • Especially, one who composes music. 

versifier

noun
  • One who versifies. 

  • An inferior poet. 

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