electricity vs ignition

electricity

noun
  • A feeling of excitement; a thrill. 

  • Electric power/energy as used in homes etc., supplied by power stations or generators. 

  • Originally, a property of amber and certain other nonconducting substances to attract lightweight material when rubbed, or the cause of this property; now understood to be a phenomenon caused by the distribution and movement of charged subatomic particles and their interaction with the electromagnetic field. 

  • The study of electrical phenomena; the branch of science dealing with such phenomena. 

ignition

noun
  • The act of igniting. 

  • The phenomenon of a thermonuclear fusion reaction becoming self-sustaining and no longer requiring external heating. 

  • The initiation of combustion. 

  • A system for activating combustion in a combustion engine. 

  • Receptacle for a key used to start the engine in a vehicle. 

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