Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
monarcacht
←
Irish
mona-
(affix)
←
Irish
-arcacht
(affix)
→
Irish
dé-mhonarcacht
(affix)