clobber vs whack

clobber

verb
  • To hit or bash severely; to seriously harm or damage. 

  • To overwrite (data) or override (an assignment of a value), often unintentionally or unexpectedly. 

noun
  • A thumping or beating. 

  • A bash on say the head, typically with a tool or object rather than with fists. 

  • Clothing; clothes. 

  • A paste used by shoemakers to hide the cracks in leather. 

  • Equipment. 

intj
  • to beat (someone) severely 

whack

verb
  • To hit, slap or strike. 

  • To kill, bump off. 

  • To surpass; to better. 

  • To beat convincingly; to thrash. 

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

noun
  • 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 backslash, ⟨ \ ⟩. 

  • The stroke itself, regardless of its successful impact. 

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