consequential vs derived

consequential

adj
  • Following as a result. 

  • Having significant consequences; of importance. 

  • Important or significant. 

  • Self-important. 

derived

adj
  • A product of derivation 

  • Of, or pertaining to, conditions unique to the descendant species of a clade, and not found in earlier ancestral species. 

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