Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
infighting
←
Old English
infiht
(cognate)
←
English
in
(prefix)
←
English
fighting
(prefix)
←
Middle English
infighten
(cognate)
→
English
in-
(mention)
→
English
infight
(back-formation)