Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*gerros
→
Scottish Gaelic
geàrr
(inherited)
→
Manx
giare
(inherited)
→
Middle Irish
gerr
(inherited)
→
Portuguese
garrano
(mention)