Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
koddi
←
Proto-Germanic
*kuddô
(inherited)
←
Old Norse
koddi
(inherited)
←
Scots
cod
(cognate)
→
English
cod
(mention)
→
Faroese
koddi
(cognate)
→
Icelandic
koddaver
(compound)
→
Dutch
kodde
(cognate)