abuse vs backslash

abuse

noun
  • Coarse, insulting speech; abusive language; language that unjustly or angrily vilifies. 

  • Improper treatment or usage; application to a wrong or bad purpose; an unjust, corrupt or wrongful practice or custom. 

  • Physical maltreatment; injury; cruel treatment. 

  • Misuse; improper use; perversion. 

  • Violation; defilement; rape; forcing of undesired sexual activity by one person on another, often on a repeated basis. 

verb
  • To injure; to maltreat; to hurt; to treat with cruelty, especially repeatedly. 

  • To imbibe a drug for a purpose other than it was intended; to intentionally take more of a drug than was prescribed for recreational reasons; to take illegal drugs habitually. 

  • To put to a wrong use; to misapply; to use improperly; to misuse; to use for a wrong purpose or end; to pervert 

  • To attack with coarse language; to insult; to revile; malign; to speak in an offensive manner to or about someone; to disparage. 

backslash

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

  • 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. 

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