provenance vs wellspring

provenance

noun
  • Place or source of origin. 

  • The copy history of a piece of data, or the intermediate pieces of data utilized to compute a final data element, as in a database record or web site (data provenance) 

  • The execution history of computer processes which were utilized to compute a final piece of data (process provenance) 

  • Background; history; place of origin 

  • The history of ownership of a work of art 

  • The place and time of origin of some artifact or other object. See Usage note below. 

verb
  • To establish the provenance of something 

wellspring

noun
  • A perennial source of anything; a fountainhead of supply or emanation; resource. 

  • The source of water for a stream, spring or well; a fountainhead; a wellhead. 

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