How do you say socialism in Chinese?
— 社會主義, 社会主义 (shèhuìzhǔyì); 社会主义; 社会主义

Specialized synonyms for socialism in Chinese
communism共產主義, 共产主义 (gòngchǎnzhǔyì)
international國際
Antonyms for socialism in Chinese
capitalism資本主義, 资本主义 (zīběnzhǔyì)