| slovenčina | slk-000 |
| stvrdnúť | |
| Deutsch | deu-000 | erhärten |
| Deutsch | deu-000 | erstarren |
| English | eng-000 | calcify |
| English | eng-000 | concrete |
| English | eng-000 | consolidate |
| English | eng-000 | firm |
| English | eng-000 | harden |
| English | eng-000 | indurate |
| English | eng-000 | solidify |
| English | eng-000 | stale |
| English | eng-000 | stiffen |
| English | eng-000 | strut |
| English | eng-000 | toughen |