exempt vs pure

exempt

adj
  • Free from a duty or obligation. 

  • Not entitled to overtime pay when working overtime. 

noun
  • One of four officers of the Yeomen of the Royal Guard, having the rank of corporal; an exon. 

  • One who has been released from something. 

  • A type of French police officer. 

verb
  • To grant (someone) freedom or immunity from. 

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. 

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

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

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