canted vs upslope

canted

adj
  • Inclined at an angle to something else; sloping. 

  • Having angles. 

upslope

adj
  • in a direction up a slope 

adv
  • up a slope 

noun
  • an upward slope 

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