Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*gelt-
→
English
colt
(derived)
→
English
kilt
(derived)
→
Old English
cild
(derived)
→
Yola
caule
(derived)