coalition vs soldering

coalition

noun
  • A temporary group or union of organizations, usually formed for a particular advantage. 

  • The collective noun for a group of cheetahs. 

soldering

noun
  • A soldered joint. 

  • A method of joining two metallic surfaces by melting an alloy between them. 

  • An instance of soldering. 

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