oversupply vs so much

oversupply

noun
  • An excessive supply. 

verb
  • To supply more than is needed. 

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 oversupply and so much occurred in a corpus of books? (source: Google Ngram Viewer )