but and ben vs gazebo

but and ben

noun
  • A two-roomed cottage; a small house or shack 

adv
  • In the inner and outer parts of a building 

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 but and ben and gazebo occurred in a corpus of books? (source: Google Ngram Viewer )