production vs source

production

noun
  • The act of bringing something forward, out, etc., for use or consideration. 

  • The presentation of a theatrical work. 

  • The act of producing, making or creating something. 

  • A rewrite rule specifying a symbol substitution that can be recursively performed to generate new symbol sequences. (More information on Wikipedia.) 

  • The environment where finished code runs, as opposed to staging or development. 

  • Writing viewed as the process of producing a text in any medium (written, spoken, signed, multimodal, nonverbal), consisting of several steps such as conceptualization, formulation, expression and revision. 

  • The act of being produced. 

  • Written documents produced in support of the action or defence. 

  • An occasion or activity made more complicated than necessary. 

  • An extension or protrusion. 

  • The act of lengthening out or prolonging. 

  • That which is manufactured or is ready for manufacturing in volume (as opposed to a prototype or conceptual model). 

  • The total amount produced. 

source

noun
  • The person, place, or thing from which something (information, goods, etc.) comes or is acquired. 

  • A reporter's informant. 

  • Source code. 

  • The name of one terminal of a field effect transistor (FET). 

  • Spring; fountainhead; wellhead; any collection of water on or under the surface of the ground in which a stream originates. 

verb
  • To obtain or procure: used especially of a business resource. 

  • To find information about (a quotation)'s source (from which it comes): to find a citation for. 

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