fuzzy-wuzzy vs unsharp

fuzzy-wuzzy

adj
  • Fuzzy. 

noun
  • A Papuan, especially one who assisted the Australian military against the Japanese; a Fuzzy Wuzzy Angel. 

  • A Hadendoa warrior of the Mahdi army in the 19th century. 

unsharp

adj
  • out of focus; blurry. 

  • dulled or intentionally blunt. 

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 fuzzy-wuzzy and unsharp occurred in a corpus of books? (source: Google Ngram Viewer )