Monstrousnes or Monstrousness: How To spell?
The word Monstrousnes is misspelled against Monstrousness, a noun meaning "The state or quality of being monstrous, unusual, extraordinary."
Monstrousness 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:  monstrousne-s  Correct Spelling:  monstrousne-ss 
Check more misspelled words of Monstrousness to spell it correct.