Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
good chepe
→
West Frisian
goedkeap
(cognate)
→
German Low German
goodkoop
(cognate)
→
Dutch
goedkoop
(cognate)