backslash vs dive

backslash

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

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).}} 

dive

verb
  • To jump headfirst toward the ground or into another substance. 

  • To deliberately fall down after a challenge, imitating being fouled, in the hope of getting one's opponent penalised. 

  • To descend sharply or steeply. 

  • To cause to descend, dunk; to plunge something into water. 

  • To undertake with enthusiasm. 

  • To swim under water. 

  • To explore by diving; to plunge into. 

  • To plunge or to go deeply into any subject, question, business, etc.; to penetrate; to explore. 

  • To jump into water head-first. 

noun
  • A downward swooping motion. 

  • A swim under water. 

  • A jump or plunge into water. 

  • Aerial descent with the nose pointed down. 

  • A deliberate fall after a challenge. 

  • A decline. 

  • A seedy bar, nightclub, etc. 

  • A headfirst jump toward the ground or into another substance. 

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