WordNet records no synonym and no antonym for civil right. 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.
right or rights belonging to a person by reason of citizenship including especially the fundamental freedoms and privileges guaranteed by the 13th and 14th amendments and subsequent acts of Congress including the right to legal and social and economic equality
Synonyms, antonyms and the broader and narrower relations for civil right come from Princeton University’s WordNet. Full sources and licences.