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

→ Old English edwist (prefix)
→ Old English edcwician (prefix)
→ Old English edcwic (prefix)
→ Old English edstaþelian (prefix)
→ Old English edcierr (prefix)
→ Old English edcenning (prefix)
→ Old English edgild (prefix)
→ Old English edgeong (prefix)
→ Old English wæpned (suffix)
→ Old English edwendan (prefix)
→ Old English edniewian (prefix)