Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old High German
hirni
←
Proto-Germanic
*hirzniją
(inherited)
←
Proto-Indo-European
*ḱerh₂-
(derived)
→
German
Hirn
(inherited)
→
Icelandic
hjarni
(cognate)
→
Luxembourgish
Hier
(inherited)