Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Welsh gorffen
Breton gourfennañ (cognate)
Cornish gorfedna (cognate)
Old Welsh guor (compound)
Old Welsh phenn (compound)
Middle Welsh penn (mention)

Welsh Gorffennaf (compound)
Welsh gorffennol (affix)