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

→ English -lock (inherited)
→ Old English wedlac (affix)
→ Old English sælac (affix)
→ Old English freolac (affix)
→ Old English feohtlac (affix)
→ Old English hæmedlac (affix)