legitimate vs unreasonable

legitimate

verb
  • To make legitimate, lawful, or valid; especially, to put in the position or state of a legitimate person before the law, by legal means. 

noun
  • A person born to a legally married couple. 

adj
  • In accordance with the law or established legal forms and requirements. 

  • Lawfully begotten, i.e., born to a legally married couple. 

  • Authentic, real, genuine. 

  • Relating to hereditary rights. 

  • Belonging or relating to the legitimate theater. 

  • Conforming to known principles, or established or accepted rules or standards; valid. 

unreasonable

adj
  • Without the ability to reason; unreasoning. 

  • Not reasonable; going beyond what could be expected or asked for. 

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