actual vs ethereal

actual

adj
  • Existing in reality, not just potentially; really acted or acting; occurring in fact. 

  • Used as intensifier to emphasise a following noun; exact, specific, very. 

  • relating to a person's acts or deeds; active, practical 

noun
  • Reality, usually with the definite article. 

  • something actually received; real receipts, as distinct from estimated ones. 

  • a radio callsign modifier that specifies the commanding officer of the unit or asset denoted by the remainder of the callsign and not the officer's assistant or other designee. 

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 actual and ethereal occurred in a corpus of books? (source: Google Ngram Viewer )