excitant vs inflammatory

excitant

adj
  • exciting; stimulating 

noun
  • Something that excites or stimulates; a stimulant 

inflammatory

adj
  • Tending to inflame or provoke somebody. 

  • Relating to, causing, or caused by inflammation. 

noun
  • Any material that causes inflammation 

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