many vs so much

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. 

pron
  • An indefinite large number of people or things. 

det
  • An indefinite large number of. 

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

so much

noun
  • A particular amount, often a large or excessive amount. 

  • A demonstrated amount. 

adv
  • To a certain degree or extent 

adj
  • To such a quantity, degree etc. 

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