palpitate vs whank

palpitate

verb
  • To cause to beat strongly or rapidly. 

  • To beat strongly or rapidly; said especially of the heart. 

  • To shake tremulously 

whank

verb
  • To beat; to thrash; to whip; to lash. 

  • To cut, especially to cut off a large portion. 

noun
  • A strike with the fist; a blow; a knock. 

  • A large portion, slice or lump. 

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