faithless vs pure

faithless

adj
  • Not true to allegiance, duty, or vows 

  • Lacking faith; lacking belief in something. 

  • Unfaithful (said of people, towards their partners) 

  • Not believing in God, religion, or a comparable ideology. 

  • Serving to disappoint or deceive 

  • Not observant of promises or covenants. 

pure

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

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

adj
  • 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. 

  • Free of immoral behavior or qualities; clean. 

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

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