dashpot vs snubber

dashpot

noun
  • A mechanical damping device consisting of a piston that moves through a viscous fluid (usually oil); used, in conjunction with a spring, in shock absorbers. 

snubber

noun
  • A device used to suppress ("snub") voltage transients in electrical systems, pressure transients in fluid systems, or excess force or rapid movement in mechanical systems. 

  • One who snubs. 

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