Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
craiceann
←
Old Irish
croiccenn
(inherited)
→
Irish
forchraiceann
(affix)
→
Irish
fo-chraicneach
(affix)
→
Irish
cruachraicneach
(affix)