Citern or Cittern: How To spell?
The word Citern is misspelled against Cittern, a noun meaning "An instrument shaped like a lute, but strung with wire and played with a quill or plectrum."
Cittern has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings ci & ern which should not be misspelled with single 'T'
Wrong Spelling:  ci-t-ern  Correct Spelling:  ci-tt-ern 
Find more wrongly spelled words of Cittern to spell it well.