jodhpurs vs pinafore

jodhpurs

noun
  • Flared riding trousers of heavy cloth, fitting tightly from knee to ankle. 

pinafore

noun
  • A sleeveless dress, often similar to an apron, generally worn over other clothes, and most often worn by young girls as an overdress. 

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