existlessness vs nothingness

existlessness

noun

  • nonexistence 

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 existlessness and nothingness occurred in a corpus of books? (source: Google Ngram Viewer )