dry cleaner vs porter

dry cleaner

noun
  • A person whose business is the dry cleaning of clothes and other fabrics. 

  • A business establishment that engages in the dry cleaning of clothes and other fabrics. 

porter

noun
  • An employee who clears and cleans tables and puts bowling balls away. 

  • A person who carries luggage and related objects. 

  • An ant having the specialized role of carrying. 

  • Stout (malt brew). 

  • A strong, dark ale, originally favored by porters (etymology 1, sense 1), similar to a stout but less strong. 

  • One who ports software (makes it usable on another platform). 

  • A person in control of the entrance to a building. 

verb
  • To serve as a porter; to carry. 

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