601. Stems in #-ē-# of the first class are declined as follows:

+--------+------------------------+--------------+---------------+

|Examples| rēs, _thing_, | diēs, _day_, | Stem and |

| Stems | rē-, F. | diē-, M. | case endings |

+--------+------------------------+--------------+---------------+

|Singular| | | |

| _Nom._ | rēs, _a_ (or _the_) | diēs | -es |

| | _thing_ | | |

| _Gen._ | rĕ̄i, re͡i, _a thing’s_, | diēī, | -ē̆ī, -ēī, -e͡i |

| | _of a thing_ | die͡i | |

| _Dat._ | rĕ̄i, re͡i, _to_ | diēī, | -ē̆ī, -ēī, -e͡i |

| | or _for a thing_ | die͡i | |

| _Acc._ | rem, _a thing_ | diem | -em |

| _Abl._ | rē, _from_, _with_, | diē | -ē |

| | or _by a thing_ | | |

+--------+------------------------+--------------+---------------+

| Plural | | | |

| _Nom._ | rēs, (_the_) _things_ | diēs | -ēs |

| _Gen._ | rērum, _things’_, | diērum | -ērum |

| | _of things_ | | |

| _Dat._ | rēbus, _to_ or | diēbus | -ēbus |

| | _for things_ | | |

| _Acc._ | rēs, _things_ | diēs | -ēs |

| _Abl._ | rēbus, _from_, _with_, | diēbus | -ēbus |

| | or _by things_ | | |

+--------+------------------------+--------------+---------------+

602. #fidēs# is declined like #rēs#; it has once a genitive #fidēs#

(Plaut.). For #rēī#, #reī#, or #re͡i#, and #fidēī#, #fideī#, or

#fide͡i#, see 127, 4. #diēs# has rarely a genitive #diēs# (Enn.) or

#diī# (Verg.). #spēs# has only the genitive and dative #spe͡i# in verse.

A genitive or dative in #-ē# is sometimes found: as, #rē#, #diē#,

#fidē#.

603. A few cases of other words sometimes follow this class (401): as,

#plēbēs# (524), _commons_, G. #plēbe͡i# or #plēbī#; #famēs# (524),

_hunger_, Ab. always #famē#; #requiēs# (477), _rest_, G. #requiē#

(Sall.), Ac. #requiem#, Ab. #requiē#; #tābēs# (523), _waste_, Ab.

#tābē#, #*contāgēs#, _contact_, Ab. #contāgē# (Lucr.), &c.

604. (2.) Stems of the second class are formed by the suffix #-iē-# or

#-tiē-#, and have three or more syllables.

This class, which is parallel to stems in #-iā-#, has usually no

genitive, dative, or plural. Many stems, especially those in #-tiē-#,

have also a collateral form in #-iā-#, and the genitive and dative, when

used at all, are commonly from a stem in #-iā-#.

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