Claim: Ten realms (Ten Worlds), in Chinese (shíjiè), in Japanese (jikkai), in Vietnamese (Austroasiatic language) mười giới.
Evidence: Ten Realms, Ten Worlds 十界
(Pinyin: shíjiè) 十界
(rōmaji: jikkai) mười giới Vietnamese (Tiếng Việt) is an Austroasiatic language that originated in Vietnam, where it is the national and official language.