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

→ Old English an (cognate)
→ German Low German en (inherited)
→ Old Frisian en (cognate)
→ Old Saxon en- (mention)
→ Old Saxon enig (affix)
→ Old Saxon enfald (suffix)