earthly vs ethereal

earthly

adj
  • Used for emphasis 

  • Relating to the earth or this world, as opposed to heaven; terrestrial. 

noun
  • That which is of the earth or earthly; a terrestrial being. 

  • A slightest chance (of success etc.) or idea (about something). 

adv
  • in an earthly manner. 

ethereal

adj
  • Pertaining to the (real or hypothetical) upper, purer air, or to the higher regions beyond the earth or beyond the atmosphere. 

  • Consisting of ether; hence, exceedingly light or airy; tenuous; spiritlike; characterized by extreme delicacy, as form, manner, thought, etc. 

  • To do with diethyl ether. 

  • Pertaining to the immaterial realm, as symbolically represented by, or (in earlier epochs) conflated with, such atmospheric and extra-atmospheric concepts. 

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