fit for purpose vs well-fitted

fit for purpose

adj
  • appropriate, and of a necessary standard, for its intended use. 

well-fitted

adj
  • Very suitable; appropriate. 

  • Adapting well to one's natural body shape and size. 

  • Fully equipped or furnished. 

How often have the words fit for purpose and well-fitted occurred in a corpus of books? (source: Google Ngram Viewer )