footman vs throttle

footman

noun
  • A bar that connects the treadle of a spinning wheel to the wheel. 

  • Coordinate term: footwoman 

  • A man in waiting; a male servant whose duties are to attend the door, the carriage, the table, etc. 

  • especially, the common footman (Manulea lurideola) 

  • A metallic stand with four feet, for keeping anything warm before a fire. 

  • A servant who runs in front of his master's carriage. 

  • A moth of the family Arctiidae (or subfamily Arctiinae); -- so called from its livery-like colors. 

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