engagement vs separation

engagement

noun
  • The period of time when marriage is planned or promised. 

  • The point at which the fencers are close enough to join blades, or to make an effective attack during an encounter. 

  • Connection or attachment. 

  • The feeling of being compelled, drawn in, connected to what is happening, interested in what will happen next. 

  • An appointment, especially to speak or perform. 

  • In any situation of conflict, an actual instance of active hostilities. 

separation

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

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

  • An agreement legalizing such an arrangement. 

  • An object that separates two spaces. 

  • 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. 

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