clonk vs plop

clonk

verb
  • To make such a sound. 

noun
  • A stick-like tool used to strike the surface of the water and produce a sound that causes nearby fish to attack the bait. 

  • The abrupt sound of two hard objects coming into contact. 

plop

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

  • To defecate. 

  • To land heavily or loosely. 

intj
  • Indicating the sound of something plopping. 

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

  • Excrement. 

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