inflammable vs turbulent

inflammable

adj
  • Easily excited; set off by the slightest excuse; easily enraged or inflamed. 

  • Incapable of burning; not easily set on fire. 

  • Capable of burning; easily set on fire. 

noun
  • Any inflammable substance. 

turbulent

adj
  • violently disturbed or agitated; tempestuous, tumultuous 

  • being in, or causing, disturbance or unrest 

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