motor vs sire

motor

verb
  • To leave. 

  • To rotate a jet engine or turboprop using the engine's starter, without introducing fuel into the engine. 

  • To progress at a brisk pace. 

adj
  • Relating to motor cars. 

  • Propelled by an internal combustion engine (as opposed to a steam engine or turbine). 

  • Relating to the ability to move. 

noun
  • The fermenting mass of fruit that is the basis of pruno, or "prison wine". 

  • A motor car, or automobile, even a goods vehicle. 

  • A source of power for something; an inspiration; a driving force. 

  • Any protein capable of converting chemical energy into mechanical work. 

  • A machine or device that converts other energy forms into mechanical energy, or imparts motion. 

sire

verb
  • to father; to beget. 

noun
  • A male animal that has fathered a particular offspring (especially used of domestic animals and/or in biological research). 

  • A lord, master, or other person in authority, most commonly used vocatively: formerly in speaking to elders and superiors, later only when addressing a sovereign. 

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