whoa vs wow

whoa

intj
  • An expression of surprise. 

  • Stop (especially when commanding a horse or imitative thereof); calm down; slow down. 

  • Used as a meaningless filler in song lyrics. 

verb
  • To attempt to slow (an animal) by crying "whoa". 

wow

intj
  • An indication of excitement, surprise, astonishment, or pleasure. 

  • An expression of amazement, awe, or admiration. 

  • Used sarcastically to express disapproval of something. 

noun
  • Anything exceptionally surprising, unbelievable, outstanding, etc. 

  • A relatively slow form of flutter (pitch variation) which can affect both gramophone records and tape recorders. 

verb
  • To amaze or awe. 

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