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