Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Frisian
sēd
→
Old English
sæd
(cognate)
→
West Frisian
sied
(inherited)
→
Old Norse
sáð
(cognate)
→
Saterland Frisian
Säid
(derived)