endeavor vs farm out

endeavor

verb
  • To work with purpose. 

  • To attempt through application of effort (to do something); to try strenuously. 

noun
  • A sincere attempt; a determined or assiduous effort towards a specific goal; assiduous or persistent activity. 

farm out

verb
  • To subcontract (a task, responsibility, etc.) to another; to outsource. 

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