area vs superficies

area

noun
  • Any particular extent of surface, especially an empty or unused extent. 

  • A particular geographic region. 

  • An open space, below ground level, giving access to the basement of a house, and typically separated from the pavement by railings. 

  • The extent, scope, or range of an object or concept. 

  • Genitals. 

  • A measure of the extent of a surface; it is measured in square units. 

  • Penalty box; penalty area. 

superficies

noun
  • The surface (of something immaterial, especially of the mind or soul). 

  • The area of a two-dimensional surface. 

  • A building intimately associated with the land on which it is built. 

  • The visible, external surface of a body. 

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