groaning vs melancholic

groaning

noun
  • A low sound associated with extended suffering, sorrow, and toil. 

adj
  • Heavily laden, as if to creak under the strain. 

  • That groans. 

melancholic

noun
  • A person who is habitually melancholy. 

adj
  • Pertaining to the melancholic temperament or its associated personality traits. 

  • Filled with or affected by melancholy—great sadness or depression, especially of a thoughtful or introspective nature. 

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