Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
āvand
→
Middle Low German
avent
(inherited)
→
Westrobothnian
ȧfta
(cognate)
→
German Low German
Avend
(inherited)
→
Old Norse
aptann
(cognate)