negatory vs nothingness

negatory

noun
  • No. 

adj
  • Negative, negating. 

nothingness

noun
  • The state of nonexistence; the condition of being nothing. 

  • A void; an emptiness. 

  • The quality of inconsequentiality; the lack of significance. 

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