Proto-Indo-European *up-

→ English owl (derived)

→ Old English ule (derived)

→ Danish ugle (derived)

→ German Eule (derived)

→ Faroese ugla (derived)

→ Icelandic ugla (derived)

→ Latvian upe (mention)

→ Swedish uv (inherited)

→ Swedish uggla (derived)