clock vs throttle

clock

verb
  • To measure the speed of. 

  • To ornament (e.g. the side of a stocking) with figured work. 

  • To identify someone as being transgender. 

  • To take notice of; to realise; to recognize someone or something. 

  • To beat a video game. 

  • To measure the duration of. 

  • To hit (someone) heavily. 

  • To falsify the reading of the odometer of a vehicle. 

noun
  • The odometer of a motor vehicle. 

  • A pattern near the heel of a sock or stocking. 

  • An instrument that measures or keeps track of time; a non-wearable timepiece. 

  • A luck-based patience or solitaire card game with the cards laid out to represent the face of a clock. 

  • A time clock. 

  • The seed head of a dandelion. 

  • A common noun relating to an instrument that measures or keeps track of time. 

  • An electrical signal that synchronizes timing among digital circuits of semiconductor chips or modules. 

  • A CPU clock cycle, or T-state. 

  • A large beetle, especially the European dung beetle (Geotrupes stercorarius). 

throttle

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

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