Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
peata
←
Old French
petit
(mention)
←
Middle Irish
[[peta]], [[petta]]
(inherited)
→
Irish
peataireacht
(affix)
→
Irish
peataíocht
(affix)