separation vs structure

separation

noun
  • An object that separates two spaces. 

  • Departure from active duty, while not necessarily leaving the service entirely. 

  • An agreement legalizing such an arrangement. 

  • The act of disuniting two or more things, or the condition of being separated. 

  • The act or condition of two or more people being separated from one another. 

  • The place at which a division occurs. 

  • An interval, gap or space that separates things or people. 

  • The act or condition of a married couple living in separate homes while remaining legally married. 

structure

noun
  • A cohesive whole built up of distinct parts. 

  • The overall form or organization of something. 

  • The underlying shape of a solid. 

  • Underwater terrain or objects (such as a dead tree or a submerged car) that tend to attract fish 

  • A body, such as a political party, with a cohesive purpose or outlook. 

  • A set along with a collection of finitary functions and relations. 

  • Several pieces of data treated as a unit. 

  • A set of rules defining behaviour. 

verb
  • To give structure to; to arrange. 

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