Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Welsh -iog
← Cornish -yek (cognate)

→ Welsh croeniog (affix)
→ Welsh unllygeidiog (confix)
→ Welsh beichiog (affix)
→ Welsh bywiog (affix)
→ Welsh adeiniog (affix)
→ Welsh geiriog (affix)
→ Welsh cyrliog (suffix)
→ Welsh miniog (affix)
→ Welsh rhiniog (affix)