Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Frisian
wei
→
West Frisian
wei
(inherited)
→
Saterland Frisian
wai
(inherited)
→
Saterland Frisian
Wai
(derived)