hitting vs slapping

hitting

noun
  • A series of hits or blows directed at a person or object. 

  • The batter's hitting improved with practice. 

slapping

noun
  • The act of giving a slap or slaps 

  • The slap bass technique 

adj
  • Very large; whopping. 

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