fuzzy-wuzzy vs monotonous

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. 

monotonous

adj
  • Tedious, repetitious, or lacking in variety. 

  • Having an unvarying pitch or tone. 

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