carpet sweeper vs polisher

carpet sweeper

noun
  • A mechanical (not electric) device for cleaning carpets by means of a rotating brush. 

polisher

noun
  • A tool that makes something smooth or shiny. 

  • A person who refines something. 

  • A machine that makes something smooth or shiny. 

  • A person who makes something smooth or shiny. 

How often have the words carpet sweeper and polisher occurred in a corpus of books? (source: Google Ngram Viewer )