Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Indo-European *h₁régʷos

→ Gothic 𐍂𐌹𐌵𐌹𐍃 (inherited)
→ Ancient Greek Ἔρεβος (inherited)
→ Ancient Greek ὄρφνη (mention)
→ Icelandic rökkur (derived)
→ Old Norse røkkr (derived)
→ Sanskrit रजस् (inherited)
→ Sanskrit रजनी (mention)
→ Old Armenian երեկ (inherited)