forlorn vs piteous

forlorn

adj
  • Pitifully sad, wretched, miserable; lonely, especially from feeling abandoned, deserted, forsaken. 

  • Abandoned, deserted, left behind. 

  • Unlikely to succeed; hopeless. 

noun
  • A forlorn hope. 

  • A member of a forlorn hope. 

piteous

adj
  • Provoking pity, compassion, or sympathy. 

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