nonpositive vs unfitted

nonpositive

adj
  • Not positive. 

  • Not positive; either zero or negative. 

noun
  • Any value that is not positive. 

unfitted

adj
  • Not suited, not fit (for something). 

  • Not customized, tailored or cut to fit. 

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