abaft vs sidelong

abaft

adv
  • On the aft side; in the stern. 

prep
  • Behind; toward the stern relative to some other object or position; aft of. 

sidelong

adv
  • Towards the side; sideways. 

  • obliquely 

adj
  • Slanting or sloping; oblique. 

  • Indirect; suggestive; not straightforward. 

  • Directed to the side; sideways. 

  • Along the side of something. 

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