amalgamate vs dissipate

amalgamate

adj
  • Coalesced; united; combined. 

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. 

dissipate

verb
  • To drive away, disperse. 

  • To use up or waste; squander. 

  • To vanish by dispersion. 

  • To cause energy to be lost through its conversion to heat. 

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