muni vs rishi

muni

noun
  • A holy man; a sage or ascetic. 

  • The municipal government / municipality 

  • A municipal bond. 

  • A facility operated by a municipal government, such as a golf course or train line. 

rishi

noun
  • A Hindu sage or saint occupying the same position in India history as the patriarchs of other countries, constituting a peculiar class of beings in the early mythical system, as distinct from Asuras, Devas and mortal men. 

  • A Vedic poet and seer who composed Rigvedic hymns, who alone or with others invokes the deities with poetry of a sacred character. 

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