Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
cealgaire
←
Irish
cealg
(affix)
←
Irish
-aire
(affix)
←
Middle Irish
celgaire
(inherited)
→
Irish
banchealgaire
(affix)