butyraceous vs greasy

butyraceous

adj
  • Of, pertaining to or containing butter; buttery 

greasy

adj
  • Containing a lot of grease or fat. 

  • shady, sketchy, dodgy, detestable, unethical. 

  • Having a slippery surface; having a surface covered with grease. 

  • Afflicted with the disease called grease. 

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