bloomers vs pantalettes

bloomers

noun
  • Women’s underpants with short legs; knickers or drawers. 

pantalettes

noun
  • A form of long underpants with a frill at the bottom of each leg. 

  • A removable kind of ruffle worn at the feet of women's drawers. 

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