burian vs incline

burian

noun
  • A camp; hill-fort. 

  • A tomb; sepulchre. 

  • A barrow; mound; tumulus 

incline

noun
  • A slope. 

  • A portal of a subway tunnel. 

verb
  • To bend or move (something) out of a given plane or direction, often the horizontal or vertical. 

  • To tend to do or believe something, or move or be moved in a certain direction, away from a point of view, attitude, etc. 

  • To slope. 

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