anchoress vs gymnosophist

anchoress

noun
  • An anchorwoman. 

  • A female anchorite. A woman who chooses to withdraw from the world to live a solitary life of prayer and contemplation. 

gymnosophist

noun
  • One of a school of ancient Indian ascetic philosophers, reported in antiquity, who wore little clothing; a mystic. 

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