flotation vs shore

flotation

noun
  • A state of floating, or being afloat. 

  • The ability (as of a tire or snowshoes) to stay on the surface of soft ground or snow. 

  • A process of separating minerals by agitating a mixture with water and detergents etc; selected substances being carried to the surface in air bubbles. 

  • The launching onto the market of a tranche of stocks or shares, usually a new issue. 

shore

noun
  • A prop or strut supporting some structure or weight above it. 

  • Land, usually near a port. 

  • A sewer. 

  • Land adjoining a non-flowing body of water, such as an ocean, lake or pond. 

verb
  • Not followed by up: to provide (something) with support. 

  • Usually followed by up: to reinforce (something at risk of failure). 

  • simple past tense of shear 

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