Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
mersnake
←
Old English
merenǣddra
(cognate)
←
Old English
merenǣddre
(mention)
←
Old English
merenǣdre
(mention)
←
English
mer
(prefix)
←
English
snake
(prefix)
←
Middle English
mereneddre
(cognate)
→
English
mer-
(mention)