groan vs singalong

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. 

singalong

noun
  • A gathering of people who sing together 

adj
  • designed to allow or encourage the audience to sing along 

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