Romansch auca

← Catalan oca (mention)

← Dalmatian jauca (mention)

← French oie (mention)

← Friulian ocje (cognate)

← Italian oca (mention)

← Latin avis (inherited)

← Occitan auca (mention)

→ Dalmatian jauca (mention)

→ Friulian ocje (mention)

→ Istriot uoca (mention)

→ Italian oca (mention)

→ Occitan auca (mention)

→ Sardinian oca (mention)