backslash vs pip

backslash

noun
  • The punctuation mark \. 

  • Used erroneously in reference to, or in reading out, the ordinary slash, that is, the punctuation mark /. 

  • |passage= […] I was trying to find a web-site for which I had been given the following address: http://www.isop.ucla.edu/pacrim/pubs/korjournal.htm. […] I began to work backwards, removing first the last part of the address following the last backslash (/korjournal.htm).}} 

verb
  • To escape (a metacharacter) by prepending a backslash that serves as an escape character, thereby forming an escape sequence. 

pip

noun
  • A spot; a speck. 

  • A piece of rhizome with a dormant shoot of the lily of the valley plant, used for propagation 

  • A spot of light or an inverted V indicative of a return of radar waves reflected from an object; a blip. 

  • The smallest price increment between two currencies in foreign exchange (forex) trading. 

  • One of the stylised version of the Bath star worn on the shoulder of a uniform to denote rank, e.g. of a soldier or a fireman. 

  • Something or someone excellent, of high quality. 

  • One of the spots or symbols on a playing card, domino, die, etc. 

  • One of a series of very short, electronically produced tones, used, for example, to count down the final few seconds before a given time or to indicate that a caller using a payphone needs to make further payment to continue the call. 

  • Any of various respiratory diseases in birds, especially infectious coryza. 

verb
  • To get the better of; to defeat by a narrow margin 

  • To hit with a gunshot 

  • To peep, to chirp 

  • To remove the pips from. 

  • To make the initial hole during the process of hatching from an egg 

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