inappropo vs incorrect

inappropo

adj
  • Inappropriate. 

  • Not apropos. 

incorrect

adj
  • Inappropriate or improper. 

  • Faulty or defective. 

  • Not correct; erroneous or wrong. 

noun
  • An item or response that is incorrect. 

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