plenitude vs voluminousness

plenitude

noun
  • Fullness; completeness. 

  • Fullness (of the moon). 

  • The metaphysical idea that the universe contains everything that is possible. 

  • An abundance; a full supply. 

voluminousness

noun
  • the state of being voluminous 

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