Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
caoile
←
Irish
caol
(affix)
←
Irish
-e
(affix)
←
Middle Irish
caíle
(inherited)
←
Old Irish
coíle
(inherited)