| signáldiode | Nominativ, Singular | nominative case, singular | |
| signáldiode | Genitiv, Singular | genitive case, singular | |
| signáldiode | Dativ, Singular | dative case, singular | |
| signáldiode | Akkusativ, Singular | accusative case, singular | |
| signáldioden | Nominativ, Plural | nominative case, plural | |
| signaldíoden | Genitiv, Plural | genitive case, plural | |
| signáldioden | Dativ, Plural | dative case, plural | |
| sígnaldioden | Akkusativ, Plural | accusative case, plural |