Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Welsh dyrys
← Proto-Celtic *drits- (inherited)
← Proto-Indo-European *der- (derived)

→ Welsh dryswch (affix)
→ Welsh drysfa (affix)
→ Welsh drysle (affix)
→ Welsh drysgoed (affix)
→ Welsh drysi (affix)
→ Welsh dryslwyn (affix)
→ Welsh dryslyd (affix)
→ Welsh drysni (affix)
→ Welsh drysu (affix)