| Nominative | trolej |
| Genitive | troleje |
| Dative | troleji |
| Accusative | trolej |
| Vocative | troleji |
| Locative | troleji |
| Instrumental | trolejí; trolejem |
| Nominative | troleje |
| Genitive | trolejí; trolejů |
| Dative | trolejím; trolejům |
| Accusative | troleje |
| Vocative | troleje |
| Locative | trolejích |
| Instrumental | trolejemi; troleji |