mobilization vs separation

mobilization

noun
  • The marshalling and organizing of troops and national resources in preparation for war, bringing them to a state of readiness for a action. 

  • The transport of a copy of a gene from one chromosome, or one organism to another. 

  • The act of mobilizing. 

  • The softening of rock such that geochemical migration can take place. 

separation

noun
  • 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. 

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

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