Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Cornish bogh
Breton boc'h (cognate)
Proto-Brythonic *box (inherited)
Welsh bogh (cognate)
Scottish Gaelic bòc (cognate)
Latin bucca (borrowed)

Welsh boch (cognate)
Cornish diwvogh (prefix)