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

→ Spanish agrio (inherited)
→ French aigre (inherited)
→ French aigre (inherited(fr/fro))
→ Italian agro (inherited)
→ Latin acer (inherited)
→ Oscan 𐌀𐌊𐌓𐌉 (inherited)
→ Romanian acru (inherited)