purely vs sheerly

purely

adv
  • Wholly; really, completely. 

  • Chastely, innocently; in a sinless manner, without fault. 

  • Solely; exclusively; merely, simply. 

adj
  • without physical adulterants; with no admixture 

sheerly

adv
  • Absolutely; purely; quite. 

  • At a very steep angle; precipitously. 

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