Validity
| Checks
| validity | |
| gen. | ważność |
| check | |
| gen. | krata; przymiarka; szach; szachownica; zapora; kratka |
| agric. | lustracja; nadzór |
| amer. | ptaszek |
| |||
| ważność f | |||
| trafność | |||
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Validity : 27 phrases in 11 subjects |
| Economics | 1 |
| General | 4 |
| Immigration and citizenship | 1 |
| International law | 2 |
| Law | 10 |
| Mathematics | 2 |
| Medical | 3 |
| Microsoft | 1 |
| Patents | 1 |
| Pharmacy and pharmacology | 1 |
| Politics | 1 |