prosaism vs prose

prosaism

noun
  • A manner, quality, expression, style, phrase or word that is prosaic. 

prose

noun
  • Language which evinces little imagination or animation; dull and commonplace discourse. 

  • Language, particularly written language, not intended as poetry. 

  • A hymn with no regular meter, sometimes introduced into the Mass. 

verb
  • To write or repeat in a dull, tedious, or prosy way. 

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