derived vs vapid

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. 

vapid

adj
  • Lifeless, dull, or banal. 

  • Offering nothing that is stimulating or challenging. 

  • Tasteless, bland, or insipid. 

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