We don't have synonyms for old believers yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are old believer.
(N) :
Old Believers, also called Old Ritualists, are Eastern Orthodox Christians who maintain the liturgical and ritual practices of the Russian Orthodox Church as they were before the reforms of Patriarch Nikon of Moscow between 1652 and 1666.
(N) :
The Christian Union of Latvian Orthodox, generally known as the Old Believers, was a political party in Latvia in the inter-war period.
(N) :
the 2012 album release by Cory Chisel and The Wandering Sons.
(N) :
Old Believers, also called Old Ritualists, are Eastern Orthodox Christians who maintain the liturgical and ritual practices of the Russian Orthodox Church as they were before the reforms of Patriarch Nikon of Moscow between 1652 and 1666.
(N) :
The Christian Union of Latvian Orthodox, generally known as the Old Believers, was a political party in Latvia in the inter-war period.
(N) :
the 2012 album release by Cory Chisel and The Wandering Sons.