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 *dʰowh₂-nis

English down (derived)
Gothic 𐌳𐌰𐌿𐌽𐍃 (inherited)
Icelandic dúnn (inherited)
Icelandic daunn (inherited)