beating vs throb

beating

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

  • A heavy defeat or setback. 

  • The pulsation of the heart. 

throb

noun
  • A beating, vibration or palpitation. 

verb
  • To pound or beat rapidly or violently. 

  • To pulse (often painfully) in time with the circulation of blood. 

  • To vibrate or pulsate with a steady rhythm. 

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