incorrect vs on the mark

incorrect

noun

  • An item or response that is incorrect. 

adj

  • Faulty or defective. 

  • Not correct; erroneous or wrong. 

  • Inappropriate or improper. 

on the mark

prep

  • Precisely accurate; correct or appropriate. 

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