manifoldness vs multitude

manifoldness

noun
  • The quality of being manifold, diversity. 

  • A generalized concept of magnitude. 

  • multiplicity 

multitude

noun
  • A great amount or number, often of people; abundance, myriad, profusion. 

  • The mass of ordinary people; the masses, the populace. 

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