Foolishnes or Foolishness: How To spell?
The word Foolishnes is misspelled against Foolishness, a noun meaning "A foolish practice; an absurdity."
Foolishness 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:  foolishne-s  Correct Spelling:  foolishne-ss 
Find more incorrect spellings of Foolishness to spell right way.