Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
ker
←
Proto-Germanic
*kazą
(derived)
←
Icelandic
kar
(mention)
←
Old Norse
ker
(derived)
→
English
kier
(cognate)
→
Icelandic
kar
(mention)
→
Icelandic
ljósker
(mention)