Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
hettan
←
Proto-Germanic
*hatjaną
(inherited)
←
Proto-Indo-European
*ḱeh₂d-
(inherited)
→
Old English
onettan
(prefix)
→
Old English
hetting
(suffix)
→
French
haïr
(cognate)