as hell vs pure

as hell

adv
  • To a great extent or degree; very. 

  • 2004, Teralee E. M. Bird, Seraphim Trilogy Book One; What the Herald Angel Sang 

  • Even though he was frightened for them, even though he was scared as hell to fail them, it felt so good to know these people cared when he hurt! 

pure

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. 

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. 

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