Virgin vs water nymph

Virgin

noun
  • A representation (picture, statue etc.) of Virgin Mary. 

name
  • Virgin Mary, the mother of Jesus. 

  • A tributary of the Colorado River in the states of Utah, Nevada, and Arizona in the United States. 

  • A surname. 

  • The constellation and star sign Virgo. 

  • A town in Washington County, Utah. 

water nymph

noun
  • A female spirit presiding over fountains, wells, streams, etc. 

  • Any of various aquatic plants of the genus Najas. 

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