plop vs trickle

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. 

trickle

verb
  • to pour a liquid in a very thin stream, or so that drops fall continuously. 

  • to flow in a very thin stream or drop continuously. 

  • To move or roll slowly. 

noun
  • A very thin river. 

  • A very thin flow; the act of trickling. 

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