beating vs pounding

beating

noun
  • The action by which someone or something is beaten. 

  • A heavy defeat or setback. 

  • The pulsation of the heart. 

pounding

noun
  • An act in which something or someone is pounded. 

adj
  • Characterized by heavy or loud throbs 

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