amalgamate vs put together

amalgamate

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

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

  • To make an alloy of a metal and mercury. 

adj
  • Coalesced; united; combined. 

put together

verb
  • To assemble, construct, build, or formulate. 

  • To gather one's thoughts and come to conclusions. 

adj
  • Stable and sound psychologically and hence in other respects; competent and responsible. 

  • In total. 

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