enlargement vs pejoration

enlargement

noun
  • A making more obvious or serious; exacerbation. 

  • Diffuseness of speech or writing; a speaking at length. 

  • An act or instance of making something larger. 

  • An image, particularly a photograph, that has been enlarged. 

pejoration

noun
  • The act or process of becoming worse; worsening or degeneration. 

  • The process by which a word acquires a more negative meaning over time. 

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