Gradualnes or Gradualness: How To spell?
The word Gradualnes is misspelled against Gradualness, a noun meaning "The quality or state of being gradual; regular progression or gradation; slowness."
Gradualness 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:  gradualne-s  Correct Spelling:  gradualne-ss 
Check more misspelled words of Gradualness to spell it correct.