clog vs throttle

clog

verb
  • To burden; to trammel; to embarrass; to perplex. 

  • To block or slow passage through (often with 'up'). 

  • To enforce a mortgage lender right that prevents a borrower from exercising a right to redeem. 

  • To encumber or load, especially with something that impedes motion; to hamper. 

  • To perform a clog dance. 

noun
  • That which hinders or impedes motion; an encumbrance, restraint, or impediment of any kind. 

  • A type of shoe with an inflexible, often wooden sole sometimes with an open heel. 

  • A blockage. 

  • A weight, such as a log or block of wood, attached to a person or animal to hinder motion. 

  • A shoe of any type. 

throttle

verb
  • To utter with breaks and interruption, in the manner of a person half suffocated. 

  • To have the throat obstructed so as to be in danger of suffocation; to choke; to suffocate. 

  • To control or adjust the speed of (an engine). 

  • To breathe hard, as when nearly suffocated. 

  • To cut back on the speed of (an engine, person, organization, network connection, etc.). 

  • To strangle or choke someone. 

noun
  • A valve that regulates the supply of fuel-air mixture to an internal combustion engine and thus controls its speed; a similar valve that controls the air supply to an engine. 

  • The lever or pedal that controls this valve. 

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