Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
éigríoch
←
Irish
éa-
(affix)
←
Irish
críoch
(affix)
←
Old Irish
éccríchdae
(mention)
→
Irish
éigríochta
(affix)