maillot vs one-piece

maillot

noun
  • A one-piece swimsuit (for women) 

  • A leotard or tights of stretchable jersey fabric, generally worn by dancers, gymnasts or cyclists. 

one-piece

noun
  • A one-piece article of clothing, especially a swimsuit. 

adj
  • Composed of a single integral unit or so appearing. 

How often have the words maillot and one-piece occurred in a corpus of books? (source: Google Ngram Viewer )