whew vs wowsers

whew

intj
  • An expression of amazement or surprise. 

  • An expressive sound made indicating the release of one's inner tension; the release of breath; an expression of relief. 

verb
  • To whistle with a shrill pipe, like a plover. 

  • To bustle about. 

wowsers

intj
  • Synonym of wow 

How often have the words whew and wowsers occurred in a corpus of books? (source: Google Ngram Viewer )