Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
lorg
←
Proto-Celtic
*lorgos
(inherited)
←
Proto-Celtic
*lorgā
(inherited)
→
Welsh
llwrw
(borrowed)
→
Irish
lorg
(inherited)
→
Scottish Gaelic
lorg
(inherited)