Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*kʷēslā
→
Welsh
pwyll
(inherited)
→
Irish
ciall
(inherited)
→
Scottish Gaelic
ciall
(inherited)
→
Manx
keeall
(inherited)
→
Old Irish
cíall
(inherited)