gazebo vs villa

gazebo

noun
  • A belvedere, either a type of summer-house or a roofed, detached porch-like structure, usually in a yard, park or lawn. 

villa

noun
  • A country house, with farm buildings around a courtyard. 

  • A family house, often semi-detached, in a middle class street. 

  • A house, often larger and more expensive than average, in the countryside or on the coast, often used as a retreat. 

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