unsharp vs vulgar

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. 

vulgar

adj
  • Being a vulgar fraction. 

  • Common, usual; of the typical kind. 

  • Debased, uncouth, distasteful, obscene. 

  • Having to do with ordinary, common people. 

noun
  • The common people. 

  • The vernacular tongue or common language of a country. 

  • A common, ordinary person. 

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