Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Welsh pwys
← Proto-Brythonic *puɨs (inherited)
← Latin pēnsum (borrowed)

→ Welsh pwyso (affix)
→ Welsh dibwys (affix)
→ Welsh pwysig (suffix)
→ Welsh cymwys (affix)
→ Welsh cydbwysedd (affix)
→ Welsh pwyslais (affix)