establish vs mix up

establish

verb
  • To form; to found; to institute; to set up in business. 

  • To prove and cause to be accepted as true; to establish a fact; to demonstrate. 

  • To appoint or adopt, as officers, laws, regulations, guidelines, etc.; to enact; to ordain. 

  • To make stable or firm; to confirm. 

mix up

verb
  • To become involved with, especially socially or romantically. 

  • To confuse or reverse. 

  • To prepare something from ingredients that are mixed. 

  • To shuffle. 

  • To combine thoroughly. 

  • To mix or blend thoroughly and completely. 

noun
  • A mix, blend, or variety. 

  • A confusion or reversal. 

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