put together vs unfasten

put together

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

  • To assemble, construct, build, or formulate. 

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

  • In total. 

unfasten

verb
  • To come unloosed or untied. 

  • To detach from any connecting agency or link; to disconnect. 

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