eaves vs plafond

eaves

noun
  • The underside of a roof that extends beyond the external walls of a building. 

  • Something that extends over or projects beyond. 

plafond

noun
  • A ceiling, especially one that is ornately decorated. 

  • The tibial plafond. 

  • A painting or decoration on a ceiling. 

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