Keennes or Keenness: How To spell?
The word Keennes is misspelled against Keenness, a noun meaning "The quality or state of being keen."
Keenness 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:  keenne-s  Correct Spelling:  keenne-ss 
Explore spell check of Keenness to spell without errors.