Diurnalnes or Diurnalness: How To spell?
The word Diurnalnes is misspelled against Diurnalness, a noun meaning "The quality of being diurnal."
Diurnalness 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:  diurnalne-s  Correct Spelling:  diurnalne-ss 
Check more misspelled words of Diurnalness to spell it correct.