Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Old High German tiof
Old English dēop (cognate)
Proto-West Germanic *deup (inherited)
Gothic 𐌳𐌹𐌿𐍀𐍃 (cognate)
Proto-Indo-European *dʰewb- (root)
Old Norse djúpr (cognate)
Old Saxon diop (cognate)

Old English deofol (mention)
Old English deop (cognate)
Central Franconian deef (mention)
Mòcheno tiaf (mention)