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

English room (inherited)
English roomth (derived)
Afrikaans ruim (derived)
Danish rum (inherited)
Galician arrombar (derived)
Gothic 𐍂𐌿𐌼𐍃 (inherited)
Icelandic rúmur (derived)
Dutch ruim (derived)
Dutch ruimen (mention)