camper vs tin can

camper

noun
  • A motor vehicle with a rear compartment for living and sleeping in. 

  • A person who camps, especially in a tent etc. 

  • A person who stays in one spot during a first-person shooting game, to guard an item etc. 

tin can

noun
  • A motor home or trailer. 

  • A metal spaceship or space station. 

  • An inexpensive car. 

  • A container, usually cylindrical, made out of sheet metal coated with tin, or (by extension) aluminum. 

  • A destroyer. 

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