bento vs shopping cart

bento

noun
  • A Japanese takeaway lunch served in a box, often with the food arranged into an elaborate design. 

  • A menu icon of nine squares in a grid. 

shopping cart

noun
  • A conveyance used to carry groceries and other items while shopping in a store. 

  • The stored list of items that a person has chosen to purchase during an online shopping session but has not yet confirmed. 

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