We don't have synonyms for ghost words yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are ghost word and ghost work.
(n) :
(linguistics) A fictitious or erroneous word, originally meaningless (not used in practice), that has been published in a dictionary or similarly authoritative reference work or otherwise listed as genuine, generally as the result of misinterpretation, misreading, or typographical error.
(n) :
(linguistics) A fictitious or erroneous word, originally meaningless (not used in practice), that has been published in a dictionary or similarly authoritative reference work or otherwise listed as genuine, generally as the result of misinterpretation, misreading, or typographical error.