barbarism vs malapropism

barbarism

noun
  • An error in language use within a single word, such as a mispronunciation. 

  • The condition of existing barbarically. 

  • A barbaric act. 

  • A word hybridizing Ancient Greek and Latin or other heterogeneous roots. 

malapropism

noun
  • The blundering use of an absurdly inappropriate word or expression in place of a similar-sounding one. 

  • An instance of this; malaprop. 

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