assimilation vs separation

assimilation

noun
  • The metabolic conversion of nutrients into tissue. 

  • The act of assimilating or the state of being assimilated. 

  • A sound change process by which the phonetics of a speech segment becomes more like that of another segment in a word (or at a word boundary), so that a change of phoneme occurs. 

  • The adoption, by a minority group, of the customs and attitudes of the dominant culture. 

  • The absorption of new ideas into an existing cognitive structure. 

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 assimilation and separation occurred in a corpus of books? (source: Google Ngram Viewer )