capital vs cardinal

capital

adj
  • Of prime importance. 

  • Of or relating to the head. 

  • Punishable by, or involving punishment by, death. 

  • used to emphasise greatness or absoluteness 

  • Chief, in a political sense, as being the seat of the general government of a state or nation. 

  • Uppercase. 

noun
  • A city designated as a legislative seat by the government or some other authority, often the city in which the government is located; otherwise the most important city within a country or a subdivision of it. 

  • Money and wealth. The means to acquire goods and services, especially in a non-barter system. 

  • Already-produced durable goods available for use as a factor of production, such as steam shovels (equipment) and office buildings (structures). 

  • The most important city in the field specified. 

  • An uppercase letter. 

  • The uppermost part of a column. 

  • Knowledge; awareness; proficiency. 

  • The chief or most important thing. 

cardinal

adj
  • Of fundamental importance; crucial, pivotal. 

  • Having a bright red color (from the color of a Catholic cardinal's cassock). 

  • Of or relating to the cardinal directions (north, south, east and west). 

  • Describing a "natural" number used to indicate quantity (e.g., zero, one, two, three), as opposed to an ordinal number indicating relative position. 

noun
  • One of the officials appointed by the pope in the Roman Catholic Church, ranking only below the pope and the patriarchs, constituting the special college which elects the pope. (See Wikipedia article on Catholic cardinals.) 

  • Any of various related passerine birds of the family Cardinalidae (See Wikipedia article on cardinals) and other similar birds that were once considered to be related. 

  • A deep red color, somewhat less vivid than scarlet, the traditional colour of a Catholic cardinal's cassock. (same as cardinal red) 

  • A woman's short cloak with a hood, originally made of scarlet cloth. 

  • Any of a genus of songbirds of the finch family, Cardinalis. 

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