confusing vs fuzzy-wuzzy

confusing

adj
  • difficult to understand; not clear as lacking order, chaotic etc 

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. 

How often have the words confusing and fuzzy-wuzzy occurred in a corpus of books? (source: Google Ngram Viewer )