barnyard vs schoolyard

barnyard

noun
  • The yard associated with or surrounding a barn. 

adj
  • Vulgar, scatological. 

  • Of food or drink: having an earthy flavor. 

schoolyard

noun
  • The grounds around a school. 

  • An open field near a school used for recreation by the students. 

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