Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*selwā
→
Welsh
elw
(inherited)
→
Irish
seilbh
(inherited)
→
Scottish Gaelic
seilbh
(inherited)
→
Manx
shelloo
(inherited)