Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
ailtireacht
←
Irish
ailtire
(suffix)
←
Irish
acht
(suffix)
←
Old Irish
ailtirecht
(inherited)
→
Irish
ailtireachtúil
(affix)