Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*krissus
→
Welsh
crys
(inherited)
→
Welsh
gwregys
(inherited)
→
Irish
crios
(inherited)
→
Scottish Gaelic
crios
(inherited)