butyraceous vs fatty

butyraceous

adj
  • Of, pertaining to or containing butter; buttery 

fatty

adj
  • Containing, composed of, or consisting of fat. 

  • Like fat; greasy. 

  • Literally or figuratively large. 

noun
  • A large marijuana cigar; a blunt. 

  • An obese person. 

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