Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Frisian
gōd
→
North Frisian
gur
(inherited)
→
West Frisian
goed
(inherited)
→
Saterland Frisian
goud
(derived)