lever vs shampoo

lever

verb
  • To use, operate or move (something) like a lever (physically). 

  • To move with a lever. 

  • To increase the share of debt in the capitalization of a business. 

  • To use (something) like a lever (in an abstract sense). 

noun
  • A bar, as a capstan bar, applied to a rotatory piece to turn it. 

  • An arm on a rock shaft, to give motion to the shaft or to obtain motion from it. 

  • A levee. 

  • A rigid piece which is capable of turning about one point, or axis (the fulcrum), and in which are two or more other points where forces are applied; — used for transmitting and modifying force and motion. 

  • A small such piece to trigger or control a mechanical device (like a button). 

  • Specifically, a bar of metal, wood or other rigid substance, used to exert a pressure, or sustain a weight, at one point of its length, by receiving a force or power at a second, and turning at a third on a fixed point called a fulcrum. It is usually named as the first of the six mechanical powers, and is of three kinds, according as either the fulcrum F, the weight W, or the power P, respectively, is situated between the other two, as in the figures. 

shampoo

verb
  • 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. 

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

  • To wash one's own hair with shampoo. 

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 lever and shampoo occurred in a corpus of books? (source: Google Ngram Viewer )