pity vs rogation

pity

noun
  • A feeling of sympathy at the misfortune or suffering of someone or something. 

  • Something regrettable. 

verb
  • To make (someone) feel pity; to provoke the sympathy or compassion of. 

  • To feel pity for (someone or something). 

intj
  • Short form of what a pity. 

rogation

noun
  • A deeply serious and somber prayer or entreaty. 

  • The demand, by the consuls or tribunes, of a law to be passed by the people; a proposed law or decree. 

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