indivisible vs unalloyed

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. 

unalloyed

adj
  • Not alloyed; not in mixture with other metals; pure. 

  • Complete and unreserved; pure; unadulterated; not restricted, modified, or qualified by reservations. 

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