We don't have synonyms for maihem yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are mayhem and mahem.
(n) :
(obsolete, used chiefly before 1900) Alternative form of mayhem (“maiming or causing bodily harm”). [A state or situation of great confusion, disorder, trouble or destruction; chaos.]
(n) :
(obsolete, used chiefly before 1900) Alternative form of mayhem (“maiming or causing bodily harm”). [A state or situation of great confusion, disorder, trouble or destruction; chaos.]