Clevernes or Cleverness: How To spell?
The word Clevernes is misspelled against Cleverness, a noun meaning "The quality of being clever; skill; dexterity; adroitness."
Cleverness 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:  cleverne-s  Correct Spelling:  cleverne-ss 
Explore spell check of Cleverness to spell without errors.