Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*dīkiją
→
English
dig
(mention)
→
Westrobothnian
dikj
(inherited)
→
Icelandic
díki
(derived)
→
Swedish
dike
(derived)