palpitant vs shaken

palpitant

adj
  • palpitating, throbbing 

shaken

adj
  • In a state of shock or trauma. 

noun
  • A flat shuriken resembling a spiked wheel, as opposed to the longer stick-like kind. 

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