Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
hǣþen
→
English
heathen
(inherited)
→
Old English
hæþendom
(affix)
→
Middle English
hethen
(inherited)
→
Middle English
heþen
(inherited)