Occitan auca

← Catalan oca (cognate)

← Spanish oca (mention)

← French oie (cognate)

← Franco-Provençal oye (mention)

← Italian oca (mention)

← Latin avis (inherited)

← Old Occitan auca (inherited)

← Romansch auca (mention)

← Romansch ocha (mention)

→ Catalan oca (cognate)

→ Dalmatian jauca (mention)

→ French oie (mention)

→ Friulian ocje (cognate)

→ Istriot uoca (mention)

→ Italian oca (mention)

→ Ligurian öca (cognate)

→ Romansch auca (mention)

→ Sardinian oca (mention)