Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Old English calu
Proto-Germanic *kalwaz (inherited)
Old High German kalo (cognate)
Proto-Indo-European *gelH- (root)
Proto-Indo-European *golHwos (derived)
Latin calvus (cognate)
Old Dutch *kalo (cognate)
Old Frisian *kalu (cognate)
Old Saxon kalu (cognate)
Sanskrit कुल्व (cognate)

English callow (inherited)
Old Church Slavonic голъ (cognate)
Middle English calwe (inherited)
Old High German chalo (cognate)
Turkish kel (cognate)