oh em gee vs wo

oh em gee

intj
  • An exclamation of excitement, surprise, amazement, or shock. 

wo

intj
  • A call to cause a horse to slow down or stop; whoa. 

  • A falconer's call to a hawk. 

noun
  • A wall. 

How often have the words oh em gee and wo occurred in a corpus of books? (source: Google Ngram Viewer )