Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
brén
←
Proto-Celtic
*bragnos
(inherited)
→
Irish
bréan
(inherited)
→
Scottish Gaelic
breun
(inherited)
→
Galician
braña
(cognate)
→
Manx
breinn
(inherited)