bilious vs unsharp

bilious

adj
  • Peevishly ill-humored, irritable or bad tempered; irascible. 

  • Suffering from real or supposed liver disorder, especially excessive secretions of bile. 

  • Of or pertaining to something containing or consisting of bile. 

  • Resembling bile, especially in color. 

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. 

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