←
Proto-Indo-European *swésōr (inherited)
→
Catalan sor (inherited)
→
Dalmatian saur (inherited)
→
Dalmatian seraul (inherited)
→
Spanish sor (inherited)
→
Persian خواهر (cognate)
→
French sœur (inherited)
→
Middle French soeur (inherited)
→
Old French seror (mention)
→
Franco-Provençal seror (mention)
→
Franco-Provençal suèr (inherited)
→
Friulian sûr (inherited)
→
Ancient Greek ἔορ (cognate)
→
Interlingua soror (derived)
→
Italian suora (inherited)
→
Ligurian seu (inherited)
→
Neapolitan sora (inherited)
→
Norman soeur (inherited)
→
Norman soeu (inherited)
→
Occitan sòrre (inherited)
→
Portuguese soror (derived)
→
Romansch sour (inherited)
→
Romansch sora (inherited)
→
Romanian soră (inherited)