backslash vs lash

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. 

lash

noun
  • A stroke of satire or sarcasm; an expression or retort that cuts or gives pain; a cut. 

  • The thong or braided cord of a whip, with which the blow is given. 

  • A quick and violent sweeping movement, as of an animal's tail; a swish. 

  • An attempt; a go at something. 

  • In carpet weaving, a group of strings for lifting simultaneously certain yarns, to form the figure. 

  • A stroke with a whip, or anything pliant and tough, often given as a punishment. 

  • A hair growing from the edge of the eyelid; an eyelash. 

  • Looseness between fitted parts, either intentional (as allowance) or unintentional (from error or wear). 

adj
  • Excellent, wonderful. 

  • Drunk. 

  • Soft, watery, wet. 

verb
  • To utter censure or sarcastic language. 

  • To throw out with a jerk or quickly. 

  • To scold; or to satirize; to censure with severity. 

  • To fall heavily, especially in the phrase lash down. 

  • Used in phrasal verbs: lash back, lash out. 

  • To strike forcibly and quickly, as with a lash; to beat, or beat upon, with a motion like that of a lash. 

  • To strike with a lash; to whip or scourge with a lash, or with something like one. 

  • To ply the whip; to strike. 

  • To bind with a rope, cord, thong, or chain, so as to fasten. 

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