Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
infiht
←
Old English
in
(prefix)
←
Old English
feoht
(prefix)
→
English
infighting
(cognate)
→
English
infight
(derived)