Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
gegn
←
German
gegen
(cognate)
←
Proto-Germanic
*gagin
(inherited)
←
Old High German
gagan
(cognate)
←
Old Norse
gegn
(cognate)
←
Old Saxon
gigin
(cognate)
←
Swedish
igen
(cognate)
→
Old English
gegncwide
(prefix)
→
Jamtish
igjann
(cognate)
→
Norwegian Bokmål
igjen
(cognate)
→
Old Saxon
gegin
(cognate)