We don't have synonyms for electorates yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are electorate, lectorate and selectorate.
(n) :
The collective people of a country, state, or electoral district who are entitled to vote.
(n) :
(chiefly Australia, New Zealand) A geographical area represented by one or more elected officials; a constituency, an electoral district.
(n) :
(historical) The office, or area of dominion, of an Elector (“a German prince entitled to elect the emperor of the Holy Roman Empire”); an electorship.
(n) :
The collective people of a country, state, or electoral district who are entitled to vote.
(n) :
(chiefly Australia, New Zealand) A geographical area represented by one or more elected officials; a constituency, an electoral district.
(n) :
(historical) The office, or area of dominion, of an Elector (“a German prince entitled to elect the emperor of the Holy Roman Empire”); an electorship.