We don't have synonyms for sindbad yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are sinbad.
(n) :
Alternative form of Sinbad. [(fiction) A fictional sailor, the hero of a story-cycle of Middle Eastern origin, who encountered monsters and magic while travelling the seas east of Africa and south of Asia.]
(n) :
Alternative form of Sinbad. [(fiction) A fictional sailor, the hero of a story-cycle of Middle Eastern origin, who encountered monsters and magic while travelling the seas east of Africa and south of Asia.]