maillot vs sluggos

maillot

noun
  • A one-piece swimsuit (for women) 

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

sluggos

noun
  • A type of men's swimming briefs where the bulge of the genitals is noticeable. 

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