disreputable vs nonpositive

disreputable

adj

  • Not respectable, lacking repute; discreditable. 

noun

  • A person who is not reputable. 

nonpositive

adj

  • Not positive. 

  • Not positive; either zero or negative. 

noun

  • Any value that is not positive. 

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