Old Norse bú

← Proto-Germanic *būą (inherited)

→ Danish bo (derived)

→ Westrobothnian bufför (inherited)

→ Westrobothnian frebo (mention)

→ Icelandic bú (inherited)

→ Norwegian Bokmål bo (derived)

→ Norwegian Nynorsk bu (inherited)

→ Old Norse búfé (compound)

→ Scots bou (derived)

→ Swedish bolag (mention)