Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
aicnetae
←
Old Irish
aicned
(suffix)
←
Old Irish
de
(suffix)
→
Irish
aigeanta
(inherited)
→
Middle Irish
aicenta
(inherited)