money tree vs scrubber

money tree

noun
  • The Malabar chestnut, Pachira aquatica. 

  • A cheap tree sculpture, decorated with currency, used as a raffle prize because it would be illegal to offer a cash prize. 

  • The jade plant, Crassula ovata. 

  • An imaginary tree from which money can be plucked. See money doesn't grow on trees. 

  • The cocoa tree, Theobroma cacao. 

  • A kind of holy tree believed to bring money and good fortune. 

  • A miniature tree sculpture decorated with currency, often used as a raffle prize or a gift. 

scrubber

noun
  • An animal (especially cattle) that has broken away from the herd and established itself in the bush. 

  • Someone who lives in the bush; a wild person, someone only partly assimilated into society. 

  • A prostitute or a slovenly woman. 

  • A machine for washing leather after the tanpit. 

  • A person or appliance that cleans floors or similar by scrubbing. 

  • A dirty or unhygienic person. 

  • A device that removes impurities from gases. 

  • A horizontal bar allowing the user to set the playback position. 

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