bōka

Part of speech: noun
Gender: feminine
Stem: -ō-
1. letter; 2. pl (bokos) letter, epistle; the Scripture; book
Etymology
[← Prot-Germ *bōkō; OE bóc (Mod E book); O Fris bōk; O Sax bōk; Dt boek; OHG buoh (Mod G Buch) Icel bók; Dan bog; Norw, Sw bok (presumably ← *bōkō, bōkjō “beech” – from beechwood tablets on which runes were inscribed)]
Concordance
boka - Nom, sing - Cor. II, III, 6
bokos - Nom, Acc, pl - Matth. V, 31; Mrk. X, 4; XII, 24; XIV, 49 etc
boko - Gen, pl - Rom. XV, 4; Cor. II, III, 1; Tim. I, IV, 13; Tim. II, III, 16
bokom - Dat, pl - Mrk. XII, 26; Luk. III, 4; XX, 42 etc
Paradigm

1.1.2. (a)

nouns, -ō- stem, feminine gender
giba
(gift)
singular plural
nominative giba gibōs
genitive gibōs gibō
dative gibai gibōm
accusative giba gibōs

The declension of several nouns ending in -wa (frijaþwa (love); triggwa (faithfulness; covenant); bandwa (sign); fijaþwa (hatred, enmity); ubizwa (porch, portico); wulwa (robbery)) is identical to that of [-o-] stem nouns. These nouns are sometimes sub-categorized as the [-wo-] stem subtype of the [-o-] stem declension of Gothic nouns.