incorrect vs nonpositive

incorrect

adj

  • Not correct; erroneous or wrong. 

  • Faulty or defective. 

  • Inappropriate or improper. 

noun

  • An item or response that is incorrect. 

nonpositive

adj

  • Not positive. 

  • Not positive; either zero or negative. 

noun

  • Any value that is not positive. 

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