Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
wælcyrge
←
Proto-Germanic
*walakuzjǭ
(inherited)
←
Proto-Indo-European
*welh₃-
(root)
←
Old Norse
valkyrja
(cognate)
→
English
valkyrie
(cognate)