Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Frisian
koma
→
North Frisian
kem
(derived)
→
West Frisian
komme
(inherited)
→
Old Norse
koma
(cognate)
→
Saterland Frisian
kume
(inherited)