There are two basic patterns for strong neuter nouns.
Strong Neuter Noun scip (ship) (a-stem)
scip
Singular
Plural
Accusative
(þæt) scip
(þā) scipu
Genitive
(þæs) scipes
(þāra) scipa
Dative
(þæm) scipe
(þæm) scipum
Nominative
(þæt) scip
(þā) scipu
Strong Neuter Noun word (word) (a-stem)
word
Singular
Plural
Nominative
(þæt) word
(þā) word
Genitive
(þæs) wordes
(þāra) worda
Dative
(þæm) worde
(þæm) wordum
Accusative
(þæt) word
(þā) word
Notice that they differ only in the Nominative and Accusative plural. Looking at the stems of the two words, you should notice that scip is short-stemmed (contains a short vowel followed by one consonant), and that word is long-stemmed(such stems either contain a long vowel, or, as in word, the vowel is followed by more than one consonant).
So we have a rule that long-stemmed neuter a-nouns drop the nominative and accusative plural "-u" endings.
Strong Feminine Noun giefu (gift)(ō – stem)
giefu
Singular
Plural
Nominative
(sēo) giefu
(þā) giefa
Genitive
(þære) giefe
(þāra) giefa
Dative
(þære) giefe
(þæm) giefum
Accusative
(þā) giefe
(þā) giefa
Irregular strong nouns:
· Nouns with the vowel æ in the singular change it into a in the plural. E.g.: dæg (day, Masc., Nom., sg) – dagas (Nom., pl).
· Nouns of ja- stems are a special type of a-stems. Their root vowel undergoes mutation under the influence of an original –j- in the stem. Their case endings do not differ very much from a-stem nouns; some masculine and neuter ja-nouns end in -e in their base form. These drop the -e and add normal endings.
· wa-stems are another special type of a-stems. The nominative and accusative singular of the masculine nouns and the nominative and accusative singular and plural of the neuter ones end in –u.
· jō- and wō-stems are special types of ō-stems (feminine strong nouns).
A few nouns follow the -u declension, with an entirely different set of endings. Among these are masculine and feminine substantives. Nouns with a short root syllable have in the nominative and accusative singular the ending –u; those with a long one have no ending at all.
Strong -u declension
sunu (son) (Masc.)
feld (field) (Fem.)
Singular
Plural
Masculine
Feminine
Masculine
Feminine
Nominative
sunu
feld
suna
felda
Genitive
suna
felda
suna
felda
Dative
suna
feld
sunum
feldum
Accusative
sunu
feld
suna
felda
i-stems nouns comprise nouns of all three genders. The masculine and neuter i-stems do not mush differ in their declension from the a-stems, and the feminine ones do not much differ from the ō-stems. The root vowel has undergone mutation.
sige (m., ‘victory’);
cwēn (f., woman).
Singular
Plural
Masculine
Feminine
Masculine
Feminine
Nominative
sige
cwēn
sige(as)
cwēne, cwēna
Genitive
sige
cwēne
sigea
cwēna
Dative
siges
cwēne
sigum
cwēnum
Accusative
sige
cwēn
sige(as)
cwēne, cwēna
Weak Nouns
Weak nouns are so called because they have less variation in form than the so-called "strong nouns." They are not a very numerous group of nouns, but they are frequently encountered, and it helps to know the declension.
Weak Masculine Noun cnapa (boy)
cnapa
Singular
Plural
Nominative
cnapa
cnapan
Genitive
cnapan
cnapena
Dative
cnapan
cnapum
Accusative
cnapan
cnapan
Weak Feminine Noun sunne (sun)
sunne
Singular
Plural
Nominative
sunne
sunnan
Genitive
sunnan
sunnena
Dative
sunnan
sunnum
Accusative
sunnan
sunnan
Weak Neuter Noun ēage (eye)
ēage
Singular
Plural
Nominative
(þæt) ēage
(þā) ēagan
Genitive
(þæs) ēagan
(þāra) ēagena
Dative
(þæm) ēagan
(þæm) ēagum
Accusative
(þæt) ēage
(þā) ēagan
Root –stems noun are present in all Germanic languages, these noun never had any stem-forming suffix, so the the case endings were added on immediately to the root. These nouns represent the oldest type.
mann (m., man)mūs (f., mouse)
Singular
Plural
Masculine
Feminine
Masculine
Feminine
Nominative
mann
mūs
menn
mús
Accusative
mann
mūs, mús
menn
mūsa
Genitive
mannes
mús
manna
mūsum
Dative
menn
mūs
mannum
mús
r-stems are represented by a few masculine and feminine nouns denoting relationship.