encouraging vs furthersome

encouraging

adj
  • supporting by giving encouragement 

  • giving courage, confidence or hope 

  • auspicious, or bringing good luck 

noun
  • encouragement 

furthersome

adj
  • Tending to further, advance, or promote; helpful; advantageous. 

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