drinking straw vs inner tube

drinking straw

noun
  • A long tube (usually made out of plastic or paper) through which a beverage is drunk via suction. 

inner tube

noun
  • An inflatable rubber tube inserted into the casing of a pneumatic tyre/tire. 

  • Synonym of swim ring 

How often have the words drinking straw and inner tube occurred in a corpus of books? (source: Google Ngram Viewer )