love nest vs purlieu

love nest

noun
  • A place suitable for or used for having sexual intercourse. 

  • A residence, especially a condominium or cabin, where a couple (particularly a newly cohabiting/married couple) can enjoy each other's company. 

  • The vagina. 

purlieu

noun
  • The outskirts of any place; an adjacent district; the environs or neighborhood. 

  • The ground on the edges of a forest, especially when partly subject to the same forest laws concerning game hunting etc. 

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