Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
eigen-
←
German
eigen
(borrowed)
←
German
Eigenwert
(cognate)
←
English
own
(doublet)
←
Proto-Indo-European
*h₂eyḱ-
(root)