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

→ Old English niþþas (derived)
→ Gothic 𐌽𐌹𐌸𐌾𐌹𐍃 (inherited)
→ Gothic 𐌽𐌹𐌸𐌾𐍉 (mention)
→ Old Norse niðr (inherited)
→ Sanskrit नित्य (cognate)