Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
unna
←
Proto-Germanic
*unnaną
(inherited)
←
Old Norse
unna
(inherited)
→
Faroese
unna
(cognate)
→
Swedish
unna
(cognate)