Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*ḱumbʰ-
→
Welsh
cwm
(inherited)
→
Ancient Greek
κῶμα
(derived)
→
Albanian
sumbull
(mention)