inflammable vs lightable

inflammable

adj
  • Capable of burning; easily set on fire. 

  • Incapable of burning; not easily set on fire. 

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

noun
  • Any inflammable substance. 

lightable

adj
  • Capable of catching fire or being ignited. 

  • Capable of being illuminated or made light or bright; able to affix with a light. 

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