The noun "dea," though it is a first declension noun, is "deabus" in the plural dative and ablative, so as not to get it mixed up with the ablative and dative plural of the 2nd declension masculine noun "deus."

The noun "dea," though it is a first declension noun, is "deabus" in the plural dative and ablative, so as not to get it mixed up with the ablative and dative plural of the 2nd declension masculine noun "deus."

The noun lightning, fulmen is a third-declension neuter noun. As such, the proper ending for the nominative plural is -a. The genitive, which determines the stem, is fulminis; therefore the correct nominative plural is fulmina.

The noun lightning, fulmen is a third-declension neuter noun. As such, the proper ending for the nominative plural is -a. The genitive, which determines the stem, is fulminis; therefore the correct nominative plural is fulmina.

The correct accusative singular of cornū is cornū. This is a fourth declension neuter -ūnoun, and the accusative and nominative declensions match in neuter genders.

The correct accusative singular of cornū is cornū. This is a fourth declension neuter -ūnoun, and the accusative and nominative declensions match in neuter genders.