alloy vs ore

alloy

noun
  • A metal that is a combination of two or more elements, at least one of which is a metal. 

  • An admixture; something added which stains, taints etc. 

  • Fusion, marriage, combination. 

verb
  • To impair or debase by mixture. 

  • To mix or combine; often used of metals. 

  • To reduce the purity of by mixing with a less valuable substance. 

ore

noun
  • Rock or other material that contains valuable or utilitarian materials; primarily a rock containing metals or gems for which it is typically mined and processed. 

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