elegiac vs sepulchral

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. 

sepulchral

adj
  • Suggestive of a grave or of death; gloomy; solemn. 

  • Relating to a grave or to death; funereal. 

  • Having a hollow and deep sound. 

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