so much vs very much

so much

adv
  • To a certain degree or extent 

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

  • A demonstrated amount. 

adj
  • To such a quantity, degree etc. 

very much

adv
  • Indeed. 

  • Extremely. (Used to modify a verb. To modify an adjective or an adverb, very is used.) 

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