feather-headed vs fuzzy-wuzzy

feather-headed

adj
  • giddy; frivolous; foolish 

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