conclusion vs deduction

conclusion

noun
  • In an argument or syllogism, the proposition that follows as a necessary consequence of the premises. 

  • The end or close of a pleading, for example, the formal ending of an indictment, "against the peace", etc. 

  • The outcome or result of a process or act. 

  • A decision reached after careful thought. 

  • An estoppel or bar by which a person is held to a particular position. 

  • The end, finish, close or last part of something. 

deduction

noun
  • A process of reasoning that moves from the general to the specific, in which a conclusion follows necessarily from the premises presented, so that the conclusion cannot be false if the premises are true. 

  • A conclusion; that which is deduced, concluded or figured out 

  • The ability or skill to deduce or figure out; the power of reason 

  • That which is deducted; that which is subtracted or removed 

  • A sum that can be removed from tax calculations; something that is written off 

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