mysteriousness vs sacrament

mysteriousness

noun
  • The quality of being mysterious. 

sacrament

noun
  • A thing which is regarded as possessing a sacred character or mysterious significance. 

  • A sacred act and the attendant ceremony, considered (theology) an outward sign of divine grace. 

  • The Eucharist. 

  • The oath of allegiance taken by soldiers in Ancient Rome; hence, any sacred ceremony used to impress an obligation; a solemn oath-taking; an oath. 

  • The consecrated Eucharist (especially the bread). 

verb
  • To bind by an oath. 

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