assemble vs evanesce

assemble

verb
  • To put together. 

  • To translate from assembly language to machine code. 

  • To gather as a group. 

evanesce

verb
  • To transition from the solid state to gaseous state without ever becoming a liquid 

  • To disappear into a mist or dissipate in vapor 

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