alloy vs deprave

alloy

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. 

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. 

deprave

verb
  • To speak ill of; to depreciate; to malign; to revile 

  • To make bad or worse; to vitiate; to corrupt 

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