hermit vs rishi

hermit

noun
  • A religious recluse; someone who lives alone for religious reasons; an eremite. 

  • A spiced cookie made with molasses, raisins, and nuts. 

  • A recluse; someone who lives alone and shuns human companionship. 

  • A hermit crab. 

  • Any in the subfamily Phaethornithinae of hummingbirds. 

rishi

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

  • 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. 

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