frontispiece vs manga

frontispiece

noun
  • A façade, especially an ornamental one. 

  • An illustration that is on the page before the title page of a book, a section of one, or a magazine. 

  • A small ornamental pediment, especially at the top of a window or door. 

verb
  • To supply with a frontispiece. 

manga

noun
  • A covering for a crucifix. 

  • A comic in manga style, regardless of the country of origin. 

  • An artistic style heavily used in, and associated with, Japanese comics, and that has also been adopted by a comparatively low number of comics from other countries. 

  • A comic originating in Japan. 

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