Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*grānom
→
Breton
greun
(inherited)
→
Irish
grán
(inherited)
→
Scottish Gaelic
gràn
(inherited)
→
Cornish
greun
(inherited)
→
Albanian
grurë
(cognate)