Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*wēlos
→
Welsh
gŵyl
(inherited)
→
Irish
fial
(inherited)
→
Irish
fíal
(inherited(ga/sga))