* dies (day)
* meridies (noon, midday)
* pridie (the day before)
* postridie (the day after)
*hodie (today)
* cotidie (every day)
*perendie (the day after tomorrow)
These are all feminine nouns, and their accusative and ablative singular forms are the same. The genitive singular ends in -ī and the dative and ablative forms end in -iē.
For example:
* dies, diem, diēī, diēī, diē
* meridies, diēmerīdiēī, diēmerīdiēī, diēmerīdiē
* pridiē, pridiēī, pridiēī, pridiēī, pridiē
* postridiē, postridiēī, postridiēī, postridiēī, postridiē
* hodiē, hodiernī, hodiēī, hodiernī, hodiernā
* cotidiē, cotidiēī, cotidiēī, cotidiēī, cotidiē
* perendiē, perendiēī, perendiēī, perendiēī, perendiē
The fifth declension is also used to form the names of some Greek gods and goddesses, such as:
* Aurora (the goddess of the dawn)
* Ceres (the goddess of agriculture)
* Diana (the goddess of the hunt)
* Minerva (the goddess of wisdom)