disjoint vs synergic

disjoint

adj
  • Of two or more sets, having no members in common; having an intersection equal to the empty set. 

  • Not smooth or continuous; disjointed. 

verb
  • To break the natural order and relations of; to make incoherent. 

  • To render disjoint; to remove a connection, linkage, or intersection. 

synergic

adj
  • Of or pertaining to synergy; synergistic 

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