complication vs narration

complication

noun
  • The act or process of complicating. 

  • A person who doesn't fit in with the main scheme of things; an interloper. 

  • The state of being complicated; intricate or confused relation of parts; complexity. 

  • A feature beyond basic time display in a timepiece. 

  • A disease or diseases, or adventitious circumstances or conditions, coexistent with and modifying a primary disease, but not necessarily connected with it. 

narration

noun
  • The act of recounting or relating in order the particulars of some action, occurrence, or affair; a narrating. 

  • That which is narrated or recounted; an orderly recital of the details and particulars of some transaction or event, or of a series of transactions or events; a story or narrative. 

  • That part of an oration in which the speaker makes his or her statement of facts. 

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