unsharp vs wan

unsharp

adj
  • dulled or intentionally blunt. 

  • out of focus; blurry. 

verb
  • To sharpen (an image) by creating a blurred ("unsharp") negative as a mask, and then combining that mask with the original. 

wan

adj
  • Bland, uninterested. 

  • Pale, sickly-looking. 

  • Dim, faint. 

noun
  • The quality of being wan; wanness. 

  • A girl or woman. 

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