shampoo vs waver

shampoo

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

  • Champagne. 

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

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

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. 

waver

noun
  • A tool that accomplishes hair waving. 

  • Someone who specializes in waving (hair treatment). 

  • Someone who waves, enjoys waving, etc. 

  • An act of wavering, vacillating, etc. 

verb
  • To sway back and forth; to totter or reel. 

  • To fluctuate or vary, as commodity prices or a poorly sustained musical pitch. 

  • To shake or tremble, as the hands or voice. 

  • To falter; become unsteady; begin to fail or give way. 

  • To be indecisive between choices; to feel or show doubt or indecision; to vacillate. 

  • To flicker, glimmer, quiver, as a weak light. 

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