Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Greek εν
Ancient Greek ἐν (inherited)
Ancient Greek ἕν (inherited)
Proto-Indo-European *h₁én (inherited)

Greek εντούτοις (mention)
Greek εμφιαλώνω (affix)
Greek ενορχήστρωση (prefix)
Greek έντρομος (affix)
Greek -εν- (mention)