fuzzy-wuzzy vs subtle

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. 

subtle

adj
  • Hard to grasp; not obvious or easily understood. 

  • Tenuous; rarefied; of low density or thin consistency. 

  • Barely noticeable, not obvious, indistinct. 

  • Cleverly contrived. 

  • Cunning, skillful. 

  • Insidious. 

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