hairline vs sheer

hairline

adj
  • very thin, as thin as a hair 

noun
  • A fishing line made from hair. 

  • The line along one's forehead where hair starts growing. 

  • A very thin line in writing, drawing, or typography. 

  • A very thin fissure. 

sheer

adj
  • Very thin or transparent. 

  • Used to emphasize the amount or degree of something. 

  • Very steep; almost vertical or perpendicular. 

  • Downright; complete; pure. 

verb
  • To swerve from a course. 

noun
  • A sheer curtain or fabric. 

  • An abrupt swerve from the course of a ship. 

  • The curve of the main deck or gunwale from bow to stern. 

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