carcinogenic vs pestilent

carcinogenic

adj

  • Causing or tending to cause cancer. 

noun

  • Synonym of carcinogen 

pestilent

adj

  • Highly injurious or destructive to life: deadly. 

  • Annoying. 

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