co-ed vs miscellaneous

co-ed

adj
  • Of any location, that mixes males and females. 

  • Of an educational institution, that teaches both males and females. 

miscellaneous

adj
  • Having diverse characteristics, abilities or appearances. 

  • Consisting of a variety of ingredients or parts. 

How often have the words co-ed and miscellaneous occurred in a corpus of books? (source: Google Ngram Viewer )