Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old High German
stanga
→
German
Stange
(inherited)
→
Luxembourgish
Staang
(derived)
→
Latvian
stingrs
(cognate)