fieldwork vs fort

fieldwork

noun
  • A temporary fortification built by troops in the field; a defensive earthwork in the field. 

  • The collection of raw data in the field, field research, field study, field studies. 

  • Work done out in the fields as opposed to that done elsewhere on the farm (e.g., barn, house, outbuildings, office). 

  • Work done out in the real world rather than in controlled conditions 

fort

noun
  • A fortified defensive structure stationed with troops. 

  • Any permanent army post. 

  • An outlying trading-station, as in British North America. 

  • A structure improvised from furniture, bedding, etc., for playing games. 

verb
  • To create a fort, fortifications, a strong point, or a redoubt. 

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