Setledness or Settledness: How To spell?
The word Setledness is misspelled against Settledness, a noun meaning "The quality or state of being settled; confirmed state."
Settledness has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings se & ledness which should not be misspelled with single 'T'
Wrong Spelling:  se-t-ledness  Correct Spelling:  se-tt-ledness 
Explore spell check of Settledness to spell without errors.