inflammable vs perturbed

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. 

perturbed

adj

  • Disturbed; flustered. 

  • Slightly modified. 

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