Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English ert
Middle English erten (derived)
Middle English ertin (mention)
Proto-Germanic *artijaną (derived)
Ancient Greek ἄρδις (cognate)
Proto-Indo-European *h₂erdi- (derived)
Proto-Indo-European *h₂erd- (mention)
Icelandic erta (cognate)
Norwegian erta (cognate)
Old Norse erta (derived)
Old Irish aird (cognate)
Swedish ärta (cognate)

Icelandic erta (link)