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 καπνός
Old Church Slavonic кꙑпѣти (cognate)
Proto-Indo-European *kwep- (derived)
Latin cupiō (cognate)
Lithuanian kūpėti (cognate)
Sanskrit कुप्यति (cognate)

English acapnia (mention)
English hypercapnia (derived)
English capnomancy (mention)
English misocapnist (mention)
English misocapnic (mention)
English capno- (mention)
English hypocapnia (derived)
Greek καπνός (inherited)
Spanish capnomancia (derived)
Ancient Greek ἄκαπνος (affix)
Ancient Greek καπυρός (mention)
Latin vapor (mention)
Latin capnos (borrowed)
Sanskrit कोप (cognate)
Albanian kem (cognate)