heading vs patronymic

heading

noun
  • The end of a stone or brick which is presented outward. 

  • A strip of material at the hoist end of a flag, used for attaching the flag to its halyard. 

  • The direction into which a seagoing or airborne vessel's bow is pointing (apparent heading) and/or the direction into which it is actually moving relative to the ground (true heading) 

  • The title or topic of a document, article, chapter, or of a section thereof. 

  • Material for the heads of casks, barrels, etc. 

  • A gallery, drift, or adit in a mine; also, the end of a drift or gallery; the vein above a drift. 

  • The extension of a line ruffling above the line of stitch. 

patronymic

adj
  • Derived from one's ancestors. 

  • Derived from one's father. 

noun
  • A name acquired from one's father. 

  • A name acquired from one's father's, grandfather's or earlier (male) ancestor's first name. Some cultures use a patronymic where other cultures use a surname or family name; other cultures (like Russia) use both a patronymic and a surname. 

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