Formidablenes or Formidableness: How To spell?
The word Formidablenes is misspelled against Formidableness, a noun meaning "The quality of being formidable, or adapted to excite dread."
Formidableness 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:  formidablene-s  Correct Spelling:  formidablene-ss 
Find more incorrect spellings of Formidableness to spell right way.