Convexnes or Convexness: How To spell?
The word Convexnes is misspelled against Convexness, a noun meaning "The state of being convex; convexity."
Convexness 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:  convexne-s  Correct Spelling:  convexne-ss 
Find more incorrect spellings of Convexness to spell right way.