disjoint vs symbiotic

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. 

symbiotic

adj
  • Of, or relating to symbiosis; living together. 

  • Of a relationship with mutual benefit between two individuals or organisms. 

noun
  • symbiotic star 

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