backslash vs gnarl

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).}} 

gnarl

verb
  • To knot or twist something. 

  • To snarl or growl; to gnar. 

noun
  • A knot in wood; a large or hard knot, or a protuberance with twisted grain, on a tree. 

  • Something resembling a knot in wood, such as in stone or limbs. 

adj
  • Gnarled, knotty, twisted. 

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