amalgamate vs isolate

amalgamate

verb
  • To combine (free groups) by identifying respective isomorphic subgroups. 

  • To merge, to combine, to blend, to join. 

  • To make an alloy of a metal and mercury. 

adj
  • Coalesced; united; combined. 

isolate

noun
  • Something that has been isolated. 

verb
  • To self-isolate. 

  • To separate a pure strain of bacteria etc. from a mixed culture. 

  • To separate a substance in pure form from a mixture. 

  • To insulate, or make free of external influence. 

  • To insulate an electrical component from a source of electricity. 

  • To set apart or cut off from others. 

  • To place in quarantine or isolation. 

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