Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
werran
←
Proto-West Germanic
*werran
(inherited)
→
English
war
(cognate)
→
French
guerre
(cognate)
→
Low German
Urlog
(cognate)