Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English fifty
Old English fīftiġ (inherited)
Proto-Germanic *fimf tigiwiz (inherited)

English fiftieth (suffix)
English fiftyish (suffix)
English fiftyfold (suffix)
Cimbrian vüchtzekh (cognate)
Cimbrian büuskh (cognate)
German Fuffi (link)
Finnish fiftari (derived)
Fanagalo fifti (borrowed)
Pennsylvania German fuffzich (cognate)
Tok Pisin fifti (derived)