Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
ághdha
←
Irish
ágh
(affix)
←
Irish
-da
(affix)
←
Old Irish
ágda
(inherited)
←
Old Irish
ágdae
(mention)
←
Old Irish
ág
(mention)