Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Ancient Greek ἀρκέω
Proto-Indo-European *h₂erk- (root)
Proto-Indo-European *h₂erk- (derived)
Latin arceō (cognate)
Old Armenian արգել (cognate)

Greek επαρκώς (affix)
Greek αρκετά (derived)
Greek αρκώ (mention)
Greek επάρκεια (affix)
Greek επαρκής (affix)
Greek επαρκώ (affix)
Persian ارگ (cognate)
Ancient Greek ποδάρκης (affix)
Ancient Greek ἀρκετός (mention)
Italian autarchia (mention)
Latin arx (cognate)
Latin arcanus (cognate)
Latin arceo (cognate)
Latin arcera (cognate)