throat vs throttle

throat

verb
  • To take into the throat. (Compare deepthroat.) 

  • To utter in or with the throat. 

  • to throat threats 

noun
  • A narrow opening in a vessel. 

  • The front part of the neck. 

  • Station throat. 

  • The inside of a timber knee. 

  • The upper fore corner of a boom-and-gaff sail, or of a staysail. 

  • That end of a gaff which is next to the mast. 

  • The angle where the arm of an anchor is joined to the shank. 

  • The part of a chimney between the gathering, or portion of the funnel which contracts in ascending, and the flue. 

  • The orifice of a tubular organ; the outer end of the tube of a monopetalous corolla; the faux, or fauces. 

  • The gullet or windpipe. 

throttle

verb
  • To strangle or choke someone. 

  • 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.). 

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 throat and throttle occurred in a corpus of books? (source: Google Ngram Viewer )