Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*galarom
→
Irish
galar
(inherited)
→
Scottish Gaelic
galar
(inherited)
→
Scottish Gaelic
galar
(inherited(gd/cy))