assortment vs mingle-mangle

assortment

noun

  • A collection of varying but related items. 

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 assortment and mingle-mangle occurred in a corpus of books? (source: Google Ngram Viewer )