aspirate vs throttle

aspirate

verb
  • To inhale so as to draw something other than air into one's lungs. 

  • To produce an audible puff of breath. especially following a consonant, such as the letter "h" at the beginning of house or hat in standard English. 

  • To remove a liquid or gas by means of suction. 

noun
  • The puff of air accompanying the release of a plosive or fricative consonant. 

  • A sample of fluid, tissue, or other substance that is withdrawn from a body cavity, cyst, or tumor. 

  • A mark of aspiration (#) used in Greek; the asper, or rough breathing. 

  • A sound produced by such a puff of air. 

adj
  • Synonym of aspirated. 

throttle

verb
  • To breathe hard, as when nearly suffocated. 

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