altitude vs halcyon

altitude

noun
  • The angular distance of a heavenly body above our Earth's horizon. 

  • The absolute height of a location, usually measured from sea level. 

  • Height of rank or excellence; superiority. 

  • Highest point or degree. 

  • A vertical distance. 

  • The distance measured perpendicularly from a figure's vertex to the opposite side of the vertex. 

halcyon

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. 

adj
  • Pertaining to the halcyon or kingfisher. 

  • Calm, undisturbed, peaceful, serene. 

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