fourgon vs patio

fourgon

noun
  • A polygon with four sides; a quadrilateral. 

  • A French baggage wagon. 

  • An ammunition wagon. 

patio

noun
  • A paved outside area, adjoining a house, used for dining or recreation. 

  • An inner courtyard typical of traditional houses in some regions of Spain. 

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