Etherealnes or Etherealness: How To spell?
The word Etherealnes is misspelled against Etherealness, a noun meaning "Ethereality."
Etherealness has double 'ss' in the end mispronounced as 's'Remember double 'SS' appears in the end of this word which should not be misspelled with single 'S'
Wrong Spelling:  etherealne-s  Correct Spelling:  etherealne-ss 
Explore spell check of Etherealness to spell without errors.