We don't have synonyms for kitan yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are Titan, witan and eitan.
(n) :
Alternative form of Khitan. [A member of the Mongolic people who ruled Manchuria, then northern China as the Liao, then Central Asia as the Qara Khitais, from the 9th to 13th century C.E.]
(n) :
Alternative form of Khitan. [A member of the Mongolic people who ruled Manchuria, then northern China as the Liao, then Central Asia as the Qara Khitais, from the 9th to 13th century C.E.]