farrago vs mingle-mangle

farrago

noun
  • A collection containing a confused variety of miscellaneous things. 

mingle-mangle

noun
  • A collection containing a variety of miscellaneous things. 

verb
  • To mix in a disorderly way; to make a mess of. 

How often have the words farrago and mingle-mangle occurred in a corpus of books? (source: Google Ngram Viewer )