Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-West Germanic
*aigan
→
English
own
(derived)
→
English
owe
(derived)
→
Old English
agan
(inherited)
→
West Frisian
eigen
(derived)
→
Old Frisian
ain
(inherited)
→
Old Frisian
aga
(inherited)
→
Old Saxon
egan
(inherited)
→
Saterland Frisian
oain
(inherited)