chemical vs inflammatory

chemical

noun
  • Any specific chemical element or chemical compound or alloy. 

  • An addictive drug. 

  • An artificial chemical compound. 

adj
  • Of or relating to chemistry. 

  • Of or relating to a material or processes not commonly found in nature or in a particular product. 

inflammatory

noun
  • Any material that causes inflammation 

adj
  • Tending to inflame or provoke somebody. 

  • Relating to, causing, or caused by inflammation. 

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