inappropriate vs nonpositive

inappropriate

adj

  • Not appropriate; not suitable for the situation, time, or place. 

  • Improper; adult; sexual. 

nonpositive

adj

  • Not positive. 

  • Not positive; either zero or negative. 

noun

  • Any value that is not positive. 

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