Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Celtic *brokkos

English broccoli (derived)
English brock (derived)
Old English brocc (derived)
Breton broc'h (inherited)
Welsh broch (inherited)
Irish broc (inherited)
Galician broco (derived)
Manx broc (inherited)
Cornish brogh (inherited)
Latin broccus (derived)
Middle Irish brocc (inherited)