mar vs toxicant

mar

noun

  • A blemish. 

  • A small lake. 

verb

  • To spoil; to ruin; to scathe; to damage. 

toxicant

noun

  • A toxic or poisonous substance. 

adj

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

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