derived vs humdrum

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. 

humdrum

adj
  • Lacking variety or excitement; dull; boring. 

noun
  • The quality of lacking variety or excitement. 

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