ping vs rap

ping

verb
  • To bounce. 

  • To send an email or other message to someone in hopes of eliciting a response. 

  • To make a high-pitched, short and somewhat sharp sound. 

  • To flick. 

  • To cause something to bounce. 

  • To emit a signal and then listen for its echo in order to detect objects. 

  • To call out audibly. 

  • To penalize. 

  • To send a packet in order to determine whether a host is present, particularly by use of the ping utility. 

noun
  • A high-pitched, short and somewhat sharp sound. 

  • An email or other message sent requesting acknowledgement. 

  • Latency. 

  • A pulse of high-pitched or ultrasonic sound whose echoes provide information about nearby objects and vessels. 

  • A notification. 

  • A packet which a remote host is expected to echo, thus indicating its presence. 

  • A means of highlighting a feature on the game map so that allied players can see it. 

rap

verb
  • To seize and carry off. 

  • To strike something sharply with one's knuckles; knock. 

  • To free (a pattern) in a mould by light blows on the pattern, so as to facilitate its removal. 

  • To speak (lyrics) in the style of rap music. 

  • To transport out of oneself; to affect with rapture. 

  • To talk casually; to engage in conversation. 

  • To utter quickly and sharply. 

noun
  • A whit; a jot. 

  • A positive appraisal; a recommendation. 

  • An appraisal. 

  • Any of the tokens that passed current for a halfpenny in Ireland in the early part of the eighteenth century; any coin of trifling value. 

  • A charge, whether or not it results in a conviction. 

  • A lea or skein of yarn that forms the standard length taken from the reel, 80 yards of worsted or 120 yards of silk or cotton. 

  • Rap music. 

  • A sharp blow with something hard. 

  • A casual talk. 

  • Blame for something. 

  • A song, verse, or instance of singing in the style of rap music. 

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