damaging vs toxicant

damaging

adj

  • Harmful; injurious; causing damage. 

noun

  • An act of causing damage. 

toxicant

adj

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

noun

  • A toxic or poisonous substance. 

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