Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*klētā
→
Welsh
clwyd
(inherited)
→
French
claie
(derived)
→
Irish
cliath
(inherited)
→
Scottish Gaelic
cliath
(inherited)
→
Galician
cheda
(derived)