Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
cróga
←
Irish
cró
(affix)
←
Irish
-ga
(affix)
←
Middle Irish
cróda
(inherited)
→
Irish
crógach
(affix)
→
Irish
crógacht
(affix)