dress suit vs mess kit

dress suit

noun
  • A type of formal attire for women, typically a jacket over a dress, or a jacket and blouse with trousers or a skirt. 

  • A type of formal attire for men, normally consisting of a jacket (traditionally with tails), trousers, waistcoat, shirt and tie (traditionally a bow tie). 

mess kit

noun
  • A formal uniform, worn for occasions such as mess dinners. 

  • A compact set of eating utensils (including plate, cup, utensils) and sometimes cooking pots etc, used in the field by soldiers and by campers. 

How often have the words dress suit and mess kit occurred in a corpus of books? (source: Google Ngram Viewer )