Russian
Noun
твёрдости • (tvjórdosti) f inan, f inan pl
- genitive singular of твёрдость (tvjórdostʹ)
- nominative plural of твёрдость (tvjórdostʹ)
- dative singular of твёрдость (tvjórdostʹ)
- prepositional singular of твёрдость (tvjórdostʹ)
- accusative plural of твёрдость (tvjórdostʹ)