Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
hádegi
←
Proto-Indo-European
*kewk-
(root)
←
Old Norse
hár
(compound)
←
Old Norse
degi
(compound)
→
Old Norse
hár
(link)