erratic vs inflammable

erratic

noun
  • Anything that has erratic characteristics. 

  • A rock moved from one location to another, usually by a glacier. 

adj
  • Deviating from normal opinions or actions; eccentric; odd. 

  • Unsteady, random; prone to unexpected changes; not consistent. 

inflammable

noun
  • Any inflammable substance. 

adj
  • Incapable of burning; not easily set on fire. 

  • Capable of burning; easily set on fire. 

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

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