Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Welsh -on
Welsh -ion (link)
Welsh -son (link)

Welsh llythyron (affix)
Welsh athrawon (affix)
Welsh prifathrawon (affix)
Welsh awelon (affix)
Welsh meddygon (affix)
Welsh hinon (affix)
Welsh -aduron (compound)
Welsh -iaduron (compound)
Welsh -eion (compound)
Welsh mewnforion (affix)
Welsh allforion (affix)
Welsh gwesteion (affix)
Welsh achlysuron (affix)
Welsh bloreion (affix)