many vs plural

many

noun
  • A considerable number. 

  • A multitude; a great aggregate; a mass of people; the generality; the common herd. 

adj
  • Existing in large number; numerous. 

det
  • An indefinite large number of. 

  • Used to indicate, demonstrate or compare the number of people or things. 

pron
  • An indefinite large number of people or things. 

plural

noun
  • The plural number. In English, referring to more or less than one of something. 

  • A person with some form of multiplicity, particularly dissociative identity disorder. 

  • A word in the form in which it potentially refers to something other than one person or thing; and other than two things if the language has a dual form. 

adj
  • Pluralistic. 

  • Consisting of or containing more than one of something. 

  • In systems of number, not singular or not singular or dual. 

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