conservatory vs gazebo

conservatory

noun
  • A large greenhouse or hothouse for the display of plants 

  • A school of music or drama 

  • A storehouse. 

  • A glass-walled and -roofed room in a house 

adj
  • Relating to conservation. 

  • Having the quality of preserving from loss, decay, or injury. 

gazebo

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

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