Effectualnes or Effectualness: How To spell?
The word Effectualnes is misspelled against Effectualness, a noun meaning "The quality of being effectual."
Effectualness 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:  effectualne-s  Correct Spelling:  effectualne-ss 
Check more misspelled words of Effectualness to spell it correct.