timer vs timing

timer

noun
  • A device used to measure amounts of time. 

  • Any electronic function that causes a device to be able to do something automatically after a preset amount of time. 

  • A person who records the time elapsed in a sporting event. 

  • One who has done something a certain number of times. 

  • One characterized by a certain time or time frame, such as their work hours. 

timing

noun
  • An instance of recording the time of something. 

  • The time when something happens. 

  • The synchronization of the firing of the spark plugs in an internal combustion engine. 

  • The regulation of the pace of e.g. an athletic race, the speed of an engine, the delivery of a joke, or the occurrence of a series of events. 

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