Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old English -dōm

→ English -dom (inherited)
→ Old English hæþendom (affix)
→ Old English cristendom (affix)
→ Old English wiccedom (affix)
→ Old English læcedom (affix)
→ Old English swicdom (affix)
→ Old English lareowdom (affix)