clobber vs tachometer

clobber

noun
  • Equipment. 

  • 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. 

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. 

intj
  • to beat (someone) severely 

tachometer

noun
  • A device for measuring or indicating velocity or speed, as of blood, a river, a machine, etc. 

  • A device for measuring the revolutions per minute (RPMs) of a revolving shaft, as with the driveshaft of an automobile. 

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