Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Romanian cârd
English herd (cognate)
Proto-Indo-European *kerdʰ- (derived)
Romanian cireadă (doublet)
Serbo-Croatian кр̏до (cognate)
Serbo-Croatian kȑdo (link)
Proto-Slavic *kъrdo (derived)

Romanian cireadă (doublet)
Romanian cârdișor (suffix)