Synonyms: swael, swawel
| Part of speech | common noun |
|---|---|
| Hyphenation | sul·fer |
| Catalan | sofre; sulfur |
|---|---|
| Czech | síra |
| Danish | svovl |
| Dutch | zwavel |
| English | brimstone; sulphur |
| English (Old English) | swefl |
| Esperanto | sulfuro |
| Faeroese | svávul |
| Finnish | rikki |
| French | soufre |
| German | Schwefel |
| Greek | θείο |
| Icelandic | brennistein |
| Italian | zolfo |
| Latin | sulphur; sulpur |
| Norwegian | svovel |
| Polish | siarka |
| Portuguese | enxofre |
| Russian | сера |
| Saterland Frisian | Swieuwel |
| Spanish | azufre |
| Sranan | sulfimi |
| Swedish | svavel |
| Thai | กำมะถัน |
| Turkish | sülfür; kükürt |
| Welsh | sylffur; brwmstan |
| West Frisian | swevel |