Proto-Italic *duō

→ Catalan dos (inherited)

→ Corsican dui (inherited)

→ Spanish dos (inherited)

→ French deux (inherited)

→ Italian due (inherited)

→ Italian duo (inherited)

→ Latin duo (inherited)

→ Latin bes (mention)

→ Ligurian doî (inherited)

→ Norwegian Bokmål due (derived)

→ Norwegian Bokmål a due (derived)

→ Oscan 𐌃𐌖𐌔 (inherited)

→ Polish duo (derived)

→ Piedmontese doi (inherited)

→ Portuguese dois (inherited)

→ Romanian doi (inherited)

→ Istro-Romanian doi (inherited)

→ Aromanian doi (inherited)

→ Sardinian duos (inherited)

→ Umbrian 𐌕𐌖𐌚 (inherited)