plop vs twiddle

plop

noun
  • Excrement. 

  • A sound or action like liquid hitting a hard surface, or an object falling into a body of water. 

intj
  • Indicating the sound of something plopping. 

verb
  • To make the sound of an object dropping into a body of liquid. 

  • To defecate. 

  • To land heavily or loosely. 

twiddle

noun
  • A tilde. 

  • A small decorative embellishment. 

  • A slight twist with the fingers. 

  • A wiggling movement. 

  • A tiny bit 

  • A drawn line that is curvy or twisted. 

  • A small musical flourish. 

  • A tizzy 

verb
  • To flip or switch two adjacent bits (binary digits). 

  • To play with anything; hence, to be busy about trifles. 

  • To wiggle, fidget or play with; to move around. 

  • To be in an equivalence relation with. 

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