halcyon vs radiant

halcyon

adj
  • Calm, undisturbed, peaceful, serene. 

  • Pertaining to the halcyon or kingfisher. 

noun
  • The dead body of such a bird, said in Tudor times to act as a weather vane when hung from a beam. 

  • A kingfisher whose nesting by the sea was said, in classical mythology, to cause the Gods to restrain the wind and waves. 

  • A tropical kingfisher of the genus Halcyon, such as the sacred kingfisher (Halcyon sancta) of Australia. 

radiant

adj
  • Beaming with vivacity and happiness. 

  • Emitted as radiation. 

  • Emitting or proceeding as if from a center. 

  • Radiating light and/or heat. 

  • Strikingly beautiful. 

  • Giving off rays; said of a bearing. 

  • Having a ray-like appearance, like the large marginal flowers of certain umbelliferous plants; said also of the cluster which has such marginal flowers. 

noun
  • The apparent origin, in the night sky, of a meteor shower. 

  • A point source from which radiation is emitted. 

  • A straight line proceeding from a given point, or fixed pole, about which it is conceived to revolve. 

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