apron vs pinafore

apron

noun
  • An article of clothing worn over the front of the torso and/or legs for protection from spills; also historically worn by Freemasons and as part of women's fashion. 

  • The sides of a tree's canopy. 

  • The portion of a stage extending towards the audience beyond the proscenium arch in a theatre. 

  • The paved area below the yellow line on a race track. 

  • The loading, parking or roadway area immediately beside a railway station 

  • A removable cover for the passengers' feet and legs in an open horse carriage. 

  • The cap of a cannon; a piece of lead laid over the vent to keep the priming dry. 

  • The short cassock ordinarily worn by English bishops. 

  • The spreading end of a driveway. 

  • A large decal toward the bottom of a pinball table. 

  • The paved area of an airport, especially the area where aircraft park away from a terminal 

verb
  • To cover with, or as if with, an apron. 

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 apron and pinafore occurred in a corpus of books? (source: Google Ngram Viewer )