Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
begangan
←
Old English
be-
(affix)
←
Old English
gangan
(affix)
←
Proto-Germanic
*biganganą
(inherited)
←
Old High German
bigangan
(cognate)
←
Old Saxon
bigangan
(cognate)
→
Old Saxon
bigangan
(cognate)