loofah vs rubber

loofah

noun
  • The dried fibrous interior used as a sponge for bathing 

  • Any bathing sponge 

  • A tropical vine, of the genus Luffa, having almost cylindrical fruit with a spongy, fibrous interior; the dishcloth gourd 

verb
  • To clean or scrub with a loofah. 

rubber

noun
  • A coarse towel for rubbing the body. 

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

  • 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. 

adj
  • Not covered by funds on account. 

verb
  • To rubberneck; to observe with unseemly curiosity. 

  • To eavesdrop on a telephone call 

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