Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
heardheort
←
Old English
heard
(suffix)
←
Old English
-heort
(suffix)
←
German
hartherzig
(cognate)
←
English
hardhearted
(cognate)