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

→ Old English hærn (mention)
→ Old English hræn (derived)
→ Ancient Greek κρήνη (root)
→ Ancient Greek κρήνη (mention)
→ Ancient Greek κρουνός (root)
→ Ancient Greek κρουνός (mention)
→ Old Norse hrǫnn (derived)
→ Albanian krua (inherited)