disentangle vs puzzle out

disentangle

verb
  • To become free or untangled. 

  • To unravel; to separate into discrete components or units. 

  • To free something from entanglement; to extricate or unknot. 

puzzle out

verb
  • To figure out; to discover or find a solution to. 

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