Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English Trojan
Old English Trōiān (inherited)
English Troyan (mention)
English Troian (mention)
Middle English Troian (inherited)
Ancient Greek Τροίᾱ (derived)
Latin Trōiānus (derived)
Latin Trōia (suffix)
Latin ānus (suffix)

English Troy (link)