malaprop vs solecism

malaprop

noun

  • A malapropism. 

verb

  • To use a malapropism. 

adj

  • Characterized by the use of malapropisms. 

solecism

noun

  • An erroneous or improper usage. 

  • A faux pas or breach of etiquette; a transgression against the norms of expected behavior. 

  • Error in the use of language. 

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