indivisible vs rare

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. 

rare

adj
  • Thin; of low density. 

  • Very uncommon; scarce. 

  • Particularly of meat, especially beefsteak: cooked very lightly, so the meat is still red. 

  • Good; enjoyable. 

verb
  • To rear, bring up, raise. 

  • To rear, rise up, start backwards. 

noun
  • A scarce or uncommon item. 

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