furthersome vs propitious

furthersome

adj

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

propitious

adj

  • Advantageous. 

  • Favorable; benevolent. 

  • Characteristic of a good omen. 

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