generator vs motor

generator

noun
  • Especially, a machine that converts mechanical energy into electrical energy. 

  • An apparatus in which vapour or gas is formed from a liquid or solid by means of heat or chemical process, as a steam boiler, gas retort etc. 

  • One of the lines of a ruled surface; more generally, an element of some family of linear spaces. 

  • A subordinate piece of code which, given some initial parameters, will generate multiple output values on request. 

  • A piece of apparatus, equipment, etc, to convert or change energy from one form to another. 

  • The principal sound or sounds by which others are produced; the fundamental note or root of the common chord; -- see also generating tone. 

  • An element of a group that is used in the presentation of the group: one of the elements from which the others can be inferred with the given relators. 

motor

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

  • 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. 

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. 

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

  • To progress at a brisk pace. 

  • To leave. 

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