malapropism vs misname

malapropism

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

  • An instance of this; malaprop. 

misname

noun
  • A wrong, unsuitable, misleading, or injurious name or designation; misnomer. 

verb
  • To give an unsuitable or injurious name to; name incorrectly. 

  • To call by a wrong name. 

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