fishtail vs palpitate

fishtail

verb
  • To cause the back of (a vehicle) to swing from side to side. 

  • To swing the back of a vehicle (originally an aircraft) from side to side. 

  • To move with the tail swinging from side to side in this way. 

noun
  • The skidding of the back of a vehicle from side to side. 

  • A kind of chisel with a flared blade. 

  • The tail of a fish, or an object resembling this. 

palpitate

verb
  • To shake tremulously 

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

  • To cause to beat strongly or rapidly. 

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