probe vs rubber

probe

verb
  • To explore, investigate, or question 

  • To insert a probe into. 

noun
  • A tube attached to an aircraft which can be fitted into the drogue from a tanker aircraft to allow for aerial refuelling. 

  • A small, usually unmanned, spacecraft used to acquire information or measurements about its surroundings. 

  • Something which penetrates something else, as though to explore; something which obtains information. 

  • An anal probe, a fictional instrument commonly used by aliens on abducted humans. 

  • An investigation or inquiry. 

  • a move with multiple answers seeking to make the opponent choose and commit to a strategy 

  • Any group of atoms or molecules radioactively labeled in order to study a given molecule or other structure 

  • An act of probing; a prod, a poke. 

  • A small device, especially an electrode, used to explore, investigate or measure something by penetrating or being placed in it. 

  • Any of various medical instruments used to explore wounds, organs, etc. 

rubber

verb
  • To rubberneck; to observe with unseemly curiosity. 

  • To eavesdrop on a telephone call 

adj
  • Not covered by funds on account. 

noun
  • An individual match within the series (especially in racquet sports). 

  • A coarse towel for rubbing the body. 

  • An abrasive for rubbing with: a whetstone, file, or emery cloth, etc. 

  • Water-resistant shoe covers, galoshes, overshoes. 

  • Synthetic materials with the same properties as natural rubber. 

  • An eraser. 

  • One who practises massage. 

  • A condom. 

  • The rectangular pad on the pitcher's mound from which the pitcher must pitch. 

  • One who rubs down horses. 

  • Tires, particularly racing tires. 

  • Someone or something which rubs. 

  • A rubber match; a game or match played to break a tie. 

  • The entire series, of an odd number of games or matches in which ties are impossible (especially a series of three games in bridge or whist). 

  • The cushion of an electric machine. 

  • Pliable material derived from the sap of the rubber tree; a hydrocarbon polymer of isoprene. 

  • The game of rubber bridge. 

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