Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Frisian
fīf
→
North Frisian
fif
(inherited)
→
North Frisian
fiiw
(derived)
→
North Frisian
fiuw
(derived)
→
West Frisian
fiif
(inherited)
→
Saterland Frisian
fieuw
(inherited)