Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
kæla
←
Proto-Germanic
*kōlijaną
(derived)
←
Icelandic
kala
(mention)
←
Old Norse
kœla
(derived)