Flitern or Flittern: How To spell?
The word Flitern is misspelled against Flittern, an adjective meaning "A term applied to the bark obtained from young oak trees."
Flittern has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings fli & ern which should not be misspelled with single 'T'
Wrong Spelling:  fli-t-ern  Correct Spelling:  fli-tt-ern 
Find more wrongly spelled words of Flittern to spell it well.