sight vs soul-searching

sight

noun
  • Mental view; opinion; judgment. 

  • The act of seeing; perception of objects by the eye; view. 

  • The ability to see. 

  • Something worth seeing; a spectacle, either good or bad. 

  • Something seen. 

  • A small aperture through which objects are to be seen, and by which their direction is settled or ascertained. 

  • A device used in aiming a projectile, through which the person aiming looks at the intended target. 

  • In a drawing, picture, etc., that part of the surface, as of paper or canvas, which is within the frame or the border or margin. In a frame, the open space, the opening. 

  • a great deal, a lot; frequently used to intensify a comparative. 

verb
  • To see; to get sight of (something); to register visually. 

  • To apply sights to; to adjust the sights of. 

  • To observe or aim (at something) using a (gun) sight. 

  • To observe though, or as if through, a sight, to check the elevation, direction, levelness, or other characteristics of, especially when surveying or navigating. 

soul-searching

noun
  • Probing introspection; a critical consideration of one's conscience; also, an instance of such consideration. 

adj
  • Involving probing introspection, or a critical consideration of one's conscience, especially motives and values. 

How often have the words sight and soul-searching occurred in a corpus of books? (source: Google Ngram Viewer )