courtyard vs sty

courtyard

noun
  • An area, open to the sky, partially or wholly surrounded by walls or buildings. 

sty

noun
  • A messy, dirty or debauched place. 

  • A ladder. 

  • A pen or enclosure for swine. 

  • An inflammation of the eyelid. 

verb
  • To place in, or as if in, a sty 

  • To live in a sty, or any messy or dirty place 

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