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 ἄγνωστος
Ancient Greek ἀ- (prefix)
Ancient Greek γιγνώσκω (prefix)
Proto-Indo-European *ǵneh₃- (root)

English agnostic (derived)
English agnoiology (derived)
Danish agnostiker (derived)
Greek άγνωστος (inherited)
Greek αγνωστικός (inherited)
Esperanto agnostika (derived)
Spanish agnóstico (derived)
Italian agnostico (derived)
Norwegian Bokmål agnostiker (derived)