hello vs wow

hello

intj
  • Used sarcastically to imply that the person addressed or referred to has done something the speaker or writer considers to be foolish. 

  • A greeting used when answering the telephone. 

  • A call for response if it is not clear if anyone is present or listening, or if a telephone conversation may have been disconnected. 

  • An expression of puzzlement or discovery. 

  • A greeting (salutation) said when meeting someone or acknowledging someone’s arrival or presence. 

verb
  • To greet with "hello". 

noun
  • "Hello!" or an equivalent greeting. 

wow

intj
  • Used sarcastically to express disapproval of something. 

  • An expression of amazement, awe, or admiration. 

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

verb
  • To amaze or awe. 

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

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

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