Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
garait
←
Proto-Celtic
*gari-
(inherited)
←
Proto-Indo-European
*ǵʰer-
(inherited)
←
Old Irish
gerr
(mention)
→
Irish
gairid
(inherited)
→
Scottish Gaelic
goirid
(inherited)