libertine vs pure

libertine

adj
  • Dissolute, licentious, profligate; loose in morals. 

noun
  • One who is freethinking in religious matters. 

  • Someone (especially a man) who takes no notice of moral laws, especially those involving sexual propriety; someone loose in morals; a pleasure-seeker. 

  • Someone freed from slavery in Ancient Rome; a freedman. 

pure

adj
  • Free of immoral behavior or qualities; clean. 

  • Of a single, simple sound or tone; said of some vowels and the unaspirated consonants. 

  • Free of foreign material or pollutants. 

  • Free of flaws or imperfections; unsullied. 

  • Done for its own sake instead of serving another branch of science. 

  • Mere; that and that only. 

  • Without harmonics or overtones; not harsh or discordant. 

  • A lot of. 

adv
  • to a great extent or degree; extremely; exceedingly. 

verb
  • to hit (the ball) completely cleanly and accurately 

noun
  • One who, or that which, is pure. 

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