Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Welsh go
Proto-Brythonic *gwo- (inherited)
Proto-Celtic *uɸo- (inherited)
Old Welsh guo- (inherited)
Middle Welsh gwo- (inherited)

Welsh gogledd (prefix)
Welsh golosg (compound)
Welsh gody (prefix)