abyss vs voidness

abyss

noun
  • A bottomless or unfathomed depth, gulf, or chasm; hence, any deep, immeasurable; any void space. 

  • Moral depravity; vast intellectual or moral depth. 

  • The abyssal zone. 

  • An impending catastrophic happening. 

  • Anything infinite, immeasurable, or profound. 

  • The center of an escutcheon. 

  • Hell; the bottomless pit; primeval chaos; a confined subterranean ocean. 

  • A difference, especially a large difference, between groups. 

voidness

noun
  • The state or condition of being void. 

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