article vs subsection

article

noun
  • A section of a legal document, bylaws, etc. or, in the plural, the entire document seen as a collection of these. 

  • A piece of nonfictional writing such as a story, report, opinion piece, or entry in a newspaper, magazine, journal, dictionary, encyclopedia, etc. 

  • A genuine article. 

  • A part or segment of something joined to other parts, or, in combination, forming a structured set. 

  • An object, a member of a group or class. 

  • A part of speech that indicates, specifies and limits a noun (a, an, or the in English). In some languages the article may appear as an ending (e.g. definite article in Swedish) or there may be none (e.g. Russian, Pashto). 

verb
  • To bind by articles of apprenticeship. 

  • To formulate in articles; to set forth in distinct particulars. 

subsection

noun
  • A subpart of a legal document such as law. 

  • A defined part of a section. 

  • An informal taxonomic category below section and above family. 

  • A taxonomic rank below the section, but above the species. 

verb
  • To insert subsections (into some text, etc.). 

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