Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old High German
kunni
←
Proto-West Germanic
*kuni
(inherited)
←
Proto-Indo-European
*ǵenh₁-
(root)
→
Old English
cynn
(cognate)