chapeau vs ten-gallon

chapeau

intj
  • well done, a verbal representation of a hat tip 

noun
  • The mass of grape solids that floats on the surface during the fermentation of wine. 

  • In international law, introductory text appearing in a treaty that broadly defines its principles, objectives, and background. 

  • A cap of maintenance. 

  • A hat. 

ten-gallon

How often have the words chapeau and ten-gallon occurred in a corpus of books? (source: Google Ngram Viewer )