Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Middle English po
Old English pāwa (inherited)
Old English pēa (mention)
Proto-Germanic *pāwô (inherited)
Latin pāvō (derived)
Old Norse páfugl (derived)

English po (inherited)
English pea (mention)
Middle English pecok (compound)