prêt-à-porter vs ready-to-wear

prêt-à-porter

adj
  • ready-to-wear 

ready-to-wear

adj
  • Describing apparel that does not need any tailoring (for example hemming) before it can be worn. 

How often have the words prêt-à-porter and ready-to-wear occurred in a corpus of books? (source: Google Ngram Viewer )