indivisible vs separate

indivisible

adj
  • Incapable of being divided; atomic. 

  • Incapable of being divided by a specific integer without leaving a remainder. 

noun
  • An infinitely small quantity which is assumed to admit of no further division. 

  • That which cannot be divided or split. 

separate

adj
  • Not together (with); not united (to). 

  • Apart from (the rest); not connected to or attached to (anything else). 

noun
  • A printing of an article from a periodical as its own distinct publication and distributed independently, often with different page numbers. 

  • Anything that is sold by itself, especially articles of clothing such as blouses, skirts, jackets, and pants. 

verb
  • To disunite from a group or mass; to disconnect. 

  • To divide (a thing) into separate parts. 

  • To cause (things or people) to be separate. 

  • To divide itself into separate pieces or substances. 

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