contamination vs toxicant

contamination

noun
  • Something which contaminates. 

  • A process whereby words with related meanings come to have similar sounds. 

  • The influence of one form (often from a foreign language) on the historical development of another form to which it may be related in meaning. 

  • The act or process of contaminating 

  • The process of making a material or surface unclean or unsuited for its intended purpose, usually by the addition or attachment of undesirable foreign substances. 

toxicant

noun
  • A toxic or poisonous substance. 

adj
  • Capable of causing damage or dysfunction by toxicity; (broadly) poisonous. 

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