probable vs reasonable

probable

adj
  • Likely or most likely to be true. 

  • Supporting, or giving ground for, belief, but not demonstrating. 

  • Likely to happen. 

noun
  • A person who is likely to appear or do a certain thing. 

  • Something that is likely. 

reasonable

adj
  • Just; fair; agreeable to reason. 

  • Satisfactory. 

  • Not excessive or immoderate; within due limits; proper. 

  • Not expensive; fairly priced. 

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