Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
Críostaí
←
Irish
Críost
(affix)
←
Irish
-aí
(affix)
←
Old Irish
Crístaide
(inherited)
←
Old Irish
Críst
(mention)
→
Irish
Neamh-Chríostaí
(affix)
→
Irish
réamh-Chríostaí
(affix)
→
Irish
ainchríostaí
(affix)
→
Irish
Críostaíocht
(affix)