groan vs groaning

groan

noun
  • A low, mournful sound uttered in pain or grief. 

  • A low, guttural sound uttered in frustration, disapproval, or ecstasy. 

  • A low creaking sound from applied pressure or weight. 

verb
  • To seemingly creak under the strain of being heavily laden. 

  • To make a groan. 

groaning

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

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

  • That groans. 

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