inflammable vs passive

inflammable

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. 

noun
  • Any inflammable substance. 

passive

noun
  • A form of a verb that is in the passive voice. 

  • The passive voice of verbs. 

  • A customer who is satisfied with a product or service, but not keen enough to promote it by word of mouth. 

  • Any component that consumes but does not produce energy, or is incapable of power gain. 

adj
  • Being subjected to an action without producing a reaction. 

  • Taking no action. 

  • Being in the passive voice. 

  • Not participating in management. 

  • Of a component: that consumes but does not produce energy, or is incapable of power gain. 

  • Where allowance is made for a possible future event. 

  • Being inactive and submissive in a relationship, especially in a sexual one. 

  • Without motive power. 

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