whale on vs whoop

whale on

verb
  • To strike an opponent heavily and repeatedly in a fight. 

  • To beat heavily on anything. 

whoop

verb
  • To beat, to strike. 

  • To make a whoop. 

  • To shout, to yell. 

  • To cough or breathe with a sonorous inspiration, as in whooping cough. 

  • To defeat thoroughly. 

noun
  • A bump on a racetrack. 

  • A loud, eager cry, usually of joy. 

  • A gasp, characteristic of whooping cough. 

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