Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English astronomical
Middle French astronomique (mention)
Ancient Greek ἀστρονομικός (mention)
Latin astronomicus (mention)

English astronomically (suffix)
English nonastronomical (prefix)
English archaeoastronomical (prefix)
English bioastronomical (prefix)
English ethnoastronomical (prefix)
English astronomical transient (compound)
English physicoastronomical (prefix)