sidelong vs slanting

sidelong

adj
  • Directed to the side; sideways. 

  • Slanting or sloping; oblique. 

  • Indirect; suggestive; not straightforward. 

  • Along the side of something. 

adv
  • obliquely 

  • Towards the side; sideways. 

slanting

adj
  • Out of the perpendicular, not perpendicular. 

noun
  • The state or quality of being slanted. 

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