hellagood vs stunning

hellagood

adj
  • Very good. 

stunning

adj
  • Amazing; wonderfully good. 

  • Exceptionally beautiful or attractive. 

  • Having an effect that stuns. 

noun
  • The act by which a person or animal is physically stunned. 

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