hunch vs reason

hunch

noun
  • A theory, idea, or guess; an intuitive impression that something will happen. 

  • A push or thrust, as with the elbow. 

  • A hump; a protuberance. 

  • A stooped or curled posture; a slouch. 

  • A hunk; a lump; a thick piece. 

verb
  • To raise (one's shoulders) (while lowering one's head or bending the top of one's body forward); to curve (one's body) forward (sometimes followed by up). 

  • To thrust a hump or protuberance out of (something); to crook, as the back. 

  • To push or jostle with the elbow; to push or thrust against (someone). 

  • To bend the top of one's body forward while raising one's shoulders. 

  • To walk (somewhere) while hunching one's shoulders. 

  • To have a hunch, or make an intuitive guess. 

reason

noun
  • An excuse: a thought or a consideration offered in support of a determination or an opinion; that which is offered or accepted as an explanation. 

  • That which causes something: an efficient cause, a proximate cause. 

  • A premise placed after its conclusion. 

  • A motive for an action or a determination. 

  • Rational thinking (or the capacity for it); the cognitive faculties, collectively, of conception, judgment, deduction and intuition. 

verb
  • To support with reasons, as a request. 

  • To arrange and present the reasons for or against; to examine or discuss by arguments; to debate or discuss. 

  • To persuade by reasoning or argument. 

  • To find by logical process; to explain or justify by reason or argument. 

  • To deduce or come to a conclusion by being rational 

  • To overcome or conquer by adducing reasons. 

  • To perform a process of deduction or of induction, in order to convince or to confute; to argue. 

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