Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English heptarchy
English hepta (confix)
English archy (confix)
Ancient Greek ἑπτά (mention)
Ancient Greek -αρχία (mention)
Latin heptarchia (mention)

English octarchy (mention)
English dodecarchy (mention)
English heptarchist (suffix)
English heptarchic (suffix)
English hecatarchy (mention)
English myriarchy (mention)