appropriate vs unreasonable

appropriate

adj
  • Suitable or fit; proper. 

  • Suitable to the social situation or to social respect or social discreetness; socially correct; socially discreet; well-mannered; proper. 

verb
  • To take to oneself; to claim or use, especially as by an exclusive right. 

  • To set apart for, or assign to, a particular person or use, especially in exclusion of all others; with to or for. 

  • To annex (for example a benefice, to a spiritual corporation, as its property). 

unreasonable

adj
  • Without the ability to reason; unreasoning. 

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

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