Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old High German
jāmar
→
Old English
geomor
(cognate)
→
German
Jammer
(inherited)
→
Luxembourgish
Jomer
(inherited)