Those with æ, such as glæd (glad), change it to a in dat. gladum, &c.

Those in -e, such as blīþe (glad), drop it in all inflections:—blīþne, blīþu, blīþre.

Those in -ig, -el, -ol, -en, -er, -or often contract before inflections beginning with a vowel, as in hāliġ (holy), hālges, hālgum; miċel (great), miċlu, miċle. Not, of course, before consonants:—hāliġne, miċelne, miċelra.

Those in -u, such as ġearu (ready), change the u into a w before vowels:—ġearwes, ġearwe.

Adjectives with long syllable before the endings drop the u of the fem. and neuter:—

Masc. Neut. Fem.
(b) Nom. Sing. gōd (good), gōd, gōd.
Plur. gōde, gōd, gōde.

Fēa (few) has only the plural inflections, dat. fēam, gen. fēara.

Hēah (high) drops its second h in inflection and contracts:—hēare, nom. pl. hēa, dat. hēam, acc. sing. masc. hēanne.

Fela (many) is indeclinable.