beaming vs lighthearted

beaming

adj
  • Smilingly happy; showing happy emotion. 

noun
  • The act of someone or something that beams. 

lighthearted

adj
  • Joyful, glad, taking pleasure in being alive; not depressed or sad. 

  • Enjoyably lacking of seriousness, not grave. 

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