succussion vs throb

succussion

noun
  • A shaking of the body to ascertain whether there is liquid in the thorax. 

  • The preparation of a diluted substance in homeopathy by vigorously shaking it against an elastic body. 

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