Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
aice
←
Irish
cóngar
(link)
←
Irish
fogas
(link)
←
Irish
gar
(link)
←
Irish
as aice
(link)
←
Irish
in aice
(link)
←
Irish
in aice le
(link)
←
Old Irish
aicce
(inherited)