Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Italic *mari

→ Catalan mar (inherited)
→ Spanish mar (inherited)
→ French mer (inherited)
→ Italian mare (inherited)
→ Ligurian mâ (inherited)
→ Portuguese mar (inherited)
→ Romagnol mêr (inherited)
→ Romanian mare (inherited)
→ Istro-Romanian måre (inherited)
→ Aromanian amari (inherited)