burian vs inclination

burian

noun
  • A barrow; mound; tumulus 

  • A camp; hill-fort. 

  • A tomb; sepulchre. 

inclination

noun
  • A slant or slope. 

  • A tendency. 

  • The angle of intersection of a reference plane 

  • A physical tilt or bend. 

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