nonpositive vs nought

nonpositive

noun
  • Any value that is not positive. 

adj
  • Not positive; either zero or negative. 

  • Not positive. 

nought

noun
  • A thing or person of no worth or value; nil. 

  • Nothing; something which does not exist. 

  • The figure or character representing, or having the shape of, zero. 

  • Not any quantity of number; zero; the score of no points in a game. 

adj
  • Wicked, immoral. 

adv
  • To no extent; in no way; not at all. 

  • Not. 

pron
  • Nothing; zero. 

verb
  • To abase, to set at nought. 

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