Brilliantnes or Brilliantness: How To spell?
The word Brilliantnes is misspelled against Brilliantness, a noun meaning "Brilliancy; splendor; glitter."
Brilliantness 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:  brilliantne-s  Correct Spelling:  brilliantne-ss 
Find more wrongly spelled words of Brilliantness to spell it well.