pip vs tweeter

pip

noun
  • One of a series of very short, electronically produced tones, used, for example, to count down the final few seconds before a given time or to indicate that a caller using a payphone needs to make further payment to continue the call. 

  • A piece of rhizome with a dormant shoot of the lily of the valley plant, used for propagation 

  • A spot of light or an inverted V indicative of a return of radar waves reflected from an object; a blip. 

  • The smallest price increment between two currencies in foreign exchange (forex) trading. 

  • One of the stylised version of the Bath star worn on the shoulder of a uniform to denote rank, e.g. of a soldier or a fireman. 

  • Something or someone excellent, of high quality. 

  • One of the spots or symbols on a playing card, domino, die, etc. 

  • A spot; a speck. 

  • Any of various respiratory diseases in birds, especially infectious coryza. 

verb
  • To get the better of; to defeat by a narrow margin 

  • To hit with a gunshot 

  • To peep, to chirp 

  • To remove the pips from. 

  • To make the initial hole during the process of hatching from an egg 

tweeter

noun
  • An electronic speaker designed to produce high-frequency sound. 

  • One who or that which makes a tweeting noise. 

  • One who posts messages ("tweets") on the social networking site Twitter. 

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