plop vs whack

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. 

whack

noun
  • The backslash, ⟨ \ ⟩. 

  • An attempt, a chance, a turn, a go, originally an attempt to beat someone or something. 

  • The sound of a heavy strike. 

  • The strike itself. 

  • The stroke itself, regardless of its successful impact. 

verb
  • To kill, bump off. 

  • To surpass; to better. 

  • To beat convincingly; to thrash. 

  • To hit, slap or strike. 

  • To share or parcel out (often with up). 

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