WordNet records no synonym and no antonym for augsburg confession. It is the only member of its synset, which is common for technical, taxonomic and single-sense vocabulary — there is no other English word that means the same thing. The broader and narrower terms below are the useful relations in that case.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
the document drawn up in 1555 to defend the catholicity of Lutheran doctrine and to justify innovations in Lutheran practice; is still in effect today
Synonyms, antonyms and the broader and narrower relations for augsburg confession come from Princeton University’s WordNet. Full sources and licences.