fishtail vs wobble

fishtail

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

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

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

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. 

wobble

verb
  • To move with an uneven or rocking motion, or unsteadily to and fro. 

  • To tremble or quaver. 

  • To cause to wobble. 

  • To vacillate in one's opinions. 

noun
  • A variation in the third nucleotide of a codon that codes for a specific aminoacid 

  • A tremulous sound. 

  • A low-frequency oscillation sometimes used in dubstep 

  • An unsteady motion. 

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