as vs pure

as

adv
  • To such an extent or degree; to the same extent or degree. 

  • Considered to be, in relation to something else; in the relation (specified). 

  • Used to intensify an adjective; very much; extremely 

prep
  • Introducing a basis of comparison, with an object in the objective case. 

  • In the role of. 

  • by way of 

conj
  • used before a preposition to clarify that the prepositional phrase restricts the meaning of the sentence; specifically. 

  • At the same instant or moment that: when. 

  • Being that, considering that, because, since. 

  • Varying through time in the same proportion that. 

  • In the (same) way or manner that; to the (same) degree that. 

  • Functioning as a relative conjunction, and sometimes like a relative pronoun: that, which, who. (See usage notes.) 

  • At the same time that, during the same time when: while. 

  • Expressing concession: though. 

  • Used after so or as to introduce a comparison. 

  • Used to introduce a result: with the result that it is. 

noun
  • Any of several coins of Rome, coined in bronze or later copper; or the equivalent value. 

  • A libra. 

pure

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

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. 

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

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

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