inflammable vs ireful

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. 

ireful

adj
  • Deeply angered but not outwardly displaying it. Full of ire; angry; wroth. 

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