| Nederlands | nld-000 |
| zwavelen | |
| English | eng-000 | sulphurate |
| English | eng-000 | sulphurize |
| Esperanto | epo-000 | sulfi |
| Esperanto | epo-000 | sulfuri |
| Limburgs | lim-000 | opsólfere |
| Limburgs | lim-000 | sjwaevele |
| Limburgs | lim-000 | sólfere |
| Nederlands | nld-000 | aansmeren |
| Nederlands | nld-000 | smeulen |