mosaic vs separation

mosaic

adj
  • Containing cells of varying genetic constitution. 

verb
  • To arrange in a mosaic. 

noun
  • A piece of artwork created by placing colored squares (usually tiles) in a pattern so as to create a picture. 

  • Any of several viral diseases that cause mosaic-like patterns to appear on leaves. 

  • A composite picture made from overlapping photographs. 

  • pixelization (method of censorship) 

  • An individual composed of two or more cell lines of different genetic or chromosomal constitution, but from the same zygote. 

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