so much vs then

so much

adv
  • To a certain degree or extent 

adj
  • To such a quantity, degree etc. 

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

  • A demonstrated amount. 

then

adv
  • In addition; also; besides. 

  • Next in order of place. 

  • At that time. 

  • At the same time; on the other hand. 

  • Used to contradict an assertion. 

  • In that case. 

  • Soon afterward. 

noun
  • That time 

adj
  • Being so at that time. 

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