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Old Norse bók
Danish bøg (link)
Proto-Germanic *bōks (inherited)
Proto-Germanic *bōkō (inherited)
Norwegian Bokmål bok (link)
Old Norse bóka (link)
Old Norse bókafullting (link)
Old Norse bókagørð (link)
Old Norse bókakis (link)
Old Norse bókalán (link)
Old Norse bókalesning (link)
Old Norse bókalestr (link)
Old Norse bóklist (link)
Old Norse bókarblað (link)
Old Norse bókareiðr (link)
Old Norse bókareiðstafr (link)
Old Norse bókargørð (link)
Old Norse bókarlag (link)
Old Norse bókarskeyting (link)
Old Norse bókartak (link)
Old Norse bókarverð (link)
Old Norse bókarvitni (link)
Old Norse bókaskilningr (link)
Old Norse bókastóll (link)
Old Norse bókfell (link)
Old Norse bókfróðr (link)
Old Norse bókfrœði (link)
Old Norse bóklauss (link)
Old Norse bóklaust (link)
Old Norse bóklestr (link)
Old Norse bókligr (link)
Old Norse bóklærðr (link)
Old Norse bókmál (link)
Old Norse bókmánaðr (link)
Old Norse bóknám (link)
Old Norse bóknæmi (link)
Old Norse bókrúnar (link)
Old Norse bóksaga (link)
Old Norse bóksetja (link)
Old Norse bókskygn (link)
Old Norse bókspeki (link)

Old English boc (cognate)
Danish bog (inherited)
Danish bøg (inherited)
Faroese bók (inherited)
Old Swedish bok (inherited)
Old High German buoh (cognate)
Icelandic bók (inherited)
Norwegian Bokmål bok (inherited)
Norwegian Bokmål bøk (derived)
Norwegian Bokmål abc-bok (inherited)
Norwegian Bokmål ABC-bok (inherited)
Norwegian Nynorsk bok (derived)
Norwegian Nynorsk bøk (derived)
Old Norse bókstafr (compound)
Old Saxon bok (mention)
Elfdalian buok (derived)
Swedish bok (inherited)
Swedish bok (inherited)