cart vs maintain

cart

verb
  • To remove, especially involuntarily or for disposal. 

  • To carry goods. 

  • To carry or convey in a cart. 

noun
  • A small motor vehicle resembling a car; a go-cart. 

  • A cartridge for a computer or video game system. 

  • A shopping cart. 

  • A small, open, wheeled vehicle, drawn or pushed by a person or animal, more often used for transporting goods than passengers. 

  • A tape cartridge used for pre-recorded material such as jingles and advertisements. 

maintain

verb
  • To keep up; to preserve; to uphold (a state, condition etc.). 

  • To declare or affirm (a clause) to be true; to assert. 

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