elegiac vs lugubrious

elegiac

adj
  • Expressing sorrow or mourning. 

  • Of or relating to an elegy. 

noun
  • A poem composed in the couplet style of classical elegies: a line of dactylic hexameter followed by a line of dactylic pentameter. 

lugubrious

adj
  • Gloomy, mournful or dismal, especially to an exaggerated degree. 

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