Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
caipiteal
←
English
capital
(borrowed)
←
Latin
capitālis
(derived)
→
Irish
caipitlí
(affix)
→
Irish
caipitleach
(affix)