Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
elfur
←
Proto-Germanic
*albī
(inherited)
←
Icelandic
á
(link)
←
Icelandic
fljót
(link)
←
Old Norse
elfr
(inherited)