Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
éalaigh
←
Middle Irish
élaid
(inherited)
←
Old Irish
as·luí
(inherited)
→
Irish
éalaitheacht
(affix)
→
Irish
éalaitheach
(affix)