roué vs swinger

roué

noun
  • A debauched or lecherous person. 

swinger

noun
  • A person who practices swinging (sex with different partners). 

  • A swing voter. 

  • One who swinges. 

  • A bet in which the bettor must correctly pick two runners to finish in any of the places in any order. 

  • One who swings. 

  • A performer of swing music or whose style is influenced by swing. 

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