automobile vs hand truck

automobile

noun
  • A type of vehicle designed to move on the ground under its own stored power and intended to carry a driver, a small number of additional passengers, and a very limited amount of other load. A car or motorcar. 

adj
  • Self-moving; self-propelled. 

hand truck

noun
  • An L-shaped box-moving handcart with handles at one end, wheels at the base, with a small ledge to set objects on, flat against the floor when the hand-truck is upright. It makes otherwise bulky and heavy objects easier to move. 

  • Synonym of pallet jack 

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