We don't have synonyms for newmanite yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are newmanize, germanite and nemalite.
(n) :
(historical, originally derogatory) A follower of the doctrines of John Henry Newman; hence, up to his conversion to Roman Catholicism in 1845, a member of the Oxford movement.
(n) :
(historical, originally derogatory) A follower of the doctrines of John Henry Newman; hence, up to his conversion to Roman Catholicism in 1845, a member of the Oxford movement.