reverberation vs throb

reverberation

noun
  • A violent oscillation or vibration. 

  • The reflection of light or heat; a reflection in, or as though in, a mirror. 

  • An echo, or a series of overlapping echoes. 

  • An evolving series of effects resulting from a particular event; a repercussion. 

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 reverberation and throb occurred in a corpus of books? (source: Google Ngram Viewer )