Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
Corsaic
←
Ancient Greek
Κορσική
(derived)
→
Irish
Corsacach
(affix)
→
Irish
Corsaicis
(affix)