| EQUIVALENTS |
| ALBANIAN: Vasil |
| ANCIENT GREEK: Basileios, Basilius |
| BULGARIAN: Vasil |
| FINNISH: Pasi |
| FRENCH: Basile |
| GEORGIAN: Vasil |
| GREEK: Vasilios, Vasilis, Vassilis |
| ITALIAN: Basilio |
| MACEDONIAN: Vasil |
| MEDIEVAL SLAVIC: Vasilii |
| POLISH: Bazyli |
| ROMANIAN: Vasile |
| RUSSIAN: Vasili, Vasiliy, Vasily, Vassily |
| SERBIAN: Vasilije |
| SPANISH: Basilio |
| UKRAINIAN: Vasyl, Wasyl |
| DIMINUTIVES AND SHORT FORMS |
| BULGARIAN: Vasko |
| ENGLISH (BRITISH): Baz, Bazza |
| GEORGIAN: Vaso |
| GREEK: Vaso |
| MACEDONIAN: Vasko |
| ROMANIAN: Vasilica |
| RUSSIAN: Vaska, Vasya |
| SERBIAN: Vaso |
| FEMININE FORMS |
| BULGARIAN: Vasilka, Vaska |
| GREEK: Kiki, Vasiliki |
| MACEDONIAN: Vasa, Vasilija, Vasilka, Vaska |
| ROMANIAN: Vasilica |
| RUSSIAN: Vasilisa |
| SERBIAN: Vasilija |
| UKRAINIAN: Vasylyna, Wasylyna |