Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
cerna
←
Faroese
-
(cognate)
←
Proto-Germanic
*kernô
(derived)
←
Icelandic
-
(cognate)
←
Old Norse
kjarni
(cognate)