facing vs focal

facing

adj
  • Positioned so as to face (in a particular direction) 

  • Diverging in the direction of travel. 

noun
  • Fabric applied to a garment edge on the underside. 

  • A powdered substance, such as charcoal or bituminous coal, applied to the face of a mould, or mixed with the sand that forms it, to give a fine smooth surface to the casting. 

  • The movement of soldiers by turning on their heels to the right, left, or about. 

  • The most external portion of exterior siding. 

  • The collar and cuffs of a military coat, commonly of a different colour from the rest of the coat. 

focal

adj
  • Belonging to, concerning, or located at a focus. 

  • Limited to a small area. 

noun
  • The individual who is the focus of a study or review, when the study or review is based on that individual's interactions with others. 

  • The central or most important element of something; a focal element. 

  • A sign or similar type of marketing material designed to draw attention to special deals. 

  • An object that is used to focus concentration when performing magic. 

  • A representative of a group or class of people within an organizational system. 

  • An exemplar of a concept. 

  • A major point of interest; an attraction. 

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