Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Irish beann
Proto-Celtic *bennom (inherited)
Irish binn (link)
Irish binn (mention)
Old Irish benn (inherited)

English awning (cognate)
Irish binn (link)
Irish aonbheannach (affix)
Irish beannach (affix)