Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*werneh₂-
→
Breton
bran
(derived)
→
Welsh
brân
(inherited)
→
Irish
bran
(derived)
→
Cornish
bran
(derived)
→
Old Irish
bran
(derived)