mess kit vs toolkit

mess kit

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

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

toolkit

noun
  • A set of software tools or components. 

  • Instructions to organise a protest. 

  • A set of personal abilities, skills, or resources to draw on. 

  • A set of guidelines or instructions. 

  • A set of tools kept together, especially comprising all the tools suitable for some particular type of work. 

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