flump vs trickle

flump

verb
  • To move or fall heavily, or with a dull sound. 

  • To drop something heavily or with a dull sound. 

noun
  • A type of large marshmallow. 

  • A fat out-of-shape person. 

  • The dull sound so produced. 

trickle

verb
  • To move or roll slowly. 

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

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

noun
  • A very thin river. 

  • A very thin flow; the act of trickling. 

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