Marvelousnes or Marvelousness: How To spell?
The word Marvelousnes is misspelled against Marvelousness, a noun meaning "The quality or state of being marvelous; wonderfulness; strangeness."
Marvelousness 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:  marvelousne-s  Correct Spelling:  marvelousne-ss 
Check more misspelled words of Marvelousness to spell it correct.