Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
gá
←
Proto-Germanic
*ganhāną
(inherited)
←
Icelandic
gálaus
(link)
←
Icelandic
gáleysi
(link)
←
Old Norse
gá
(inherited)
→
Icelandic
gáleysi
(affix)
→
Icelandic
gálaus
(affix)
→
Elfdalian
gą̊
(cognate)