Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Welsh rhwymo
Welsh rhwym (affix)
Welsh -o (affix)

Welsh rhwymiad (affix)
Welsh rhwymwr (affix)
Welsh rhwymedig (affix)
Welsh ymrwymo (affix)
Welsh amrwymo (affix)