Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Faroese rógv
English roo#Etymology 1 (cognate)
English roof (cognate)
Faroese (mention)
Proto-Germanic *rōwō (inherited)
Proto-Germanic *wranhō (derived)
Proto-Germanic *wrunhō (mention)
Proto-Germanic *hrōfą (inherited)
Old Norse (inherited)
Old Norse (derived)
Old Norse hróf (inherited)

Old Norse (link)