stopper vs throttle

stopper

noun
  • A short rope for making something fast. 

  • Any of several trees of the genus Eugenia, found in Florida and the West Indies. 

  • A bung or cork. 

  • In the commodity futures market, someone who is long (owns) a futures contract and is demanding delivery because they want to take possession of the deliverable commodity. 

  • A type of knot at the end of a rope, to prevent it from unravelling. 

  • Goalkeeper. 

  • A train that calls at all or almost all stations between its origin and destination, including very small ones. 

  • A playspot where water flows back on itself, creating a retentive feature. 

verb
  • To close a container by using a stopper. 

throttle

noun
  • The lever or pedal that controls this valve. 

  • 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. 

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. 

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