Talness or Tallness: How To spell?

The word Talness is misspelled against Tallness, a noun meaning "The quality or state of being tall; height of stature."

Tallness has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings ta & ness which should not be misspelled with single 'L'
Wrong Spelling:  ta-l-ness 
Correct Spelling:  ta-ll-ness 
Explore spell check of Tallness to spell without errors.