Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
Liotuáin
←
Latin
Lituānia
(derived)
→
Irish
Liotuáinis
(affix)
→
Irish
Liotuánach
(affix)