Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle Irish
cuileóc
←
Middle Irish
cuil
(suffix)
←
Middle Irish
óc
(suffix)
→
Irish
cuileog
(inherited)
→
Scottish Gaelic
cuileag
(inherited)