polish vs shampoo

polish

verb
  • To shine; to make a surface very smooth or shiny by rubbing, cleaning, or grinding. 

  • To refine; to wear off the rudeness, coarseness, or rusticity of; to make elegant and polite. 

  • To apply shoe polish to shoes. 

  • To become smooth, as from friction; to receive a gloss; to take a smooth and glossy surface. 

  • To refine; remove imperfections from. 

noun
  • Refinement; cleanliness in performance or presentation. 

  • Cleanliness; smoothness, shininess. 

  • A substance used to polish. 

shampoo

verb
  • To wash (i.e. the hair, carpet, etc.) with shampoo. 

  • To wash one's own hair with shampoo. 

  • To press or knead the whole surface of the body of (a person), and at the same time to stretch the limbs and joints, in connection with the hot bath. 

noun
  • Champagne. 

  • A traditional Indian and Persian body massage given after pouring warm water over the body and rubbing it with extracts from herbs. 

  • An instance of washing the hair or other fibres with shampoo. 

  • A commercial liquid soap product for washing hair or other fibres/fibers, such as carpets. 

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