russell has 13 distinct synonyms spread across 7 of its 7 senses. Each sense below keeps its own list, because a synonym belongs to a meaning and not to a word: swapping one sense's substitute into another sense's sentence is how a thesaurus makes writing worse. WordNet records no antonym for it — antonymy is a relation between word forms rather than concepts, so it is deliberately sparse.
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.
United States religious leader who founded the sect that is now called Jehovah's Witnesses (1852-1916)
English film director (born in 1927)
United States basketball center (born in 1934)
United States entertainer remembered for her roles in comic operas (1861-1922)
United States astronomer who developed a theory of stellar evolution (1877-1957)
Irish writer whose pen name was A.E. (1867-1935)
English philosopher and mathematician who collaborated with Whitehead (1872-1970)
Synonyms, antonyms and the broader and narrower relations for russell come from Princeton University’s WordNet. Full sources and licences.