Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
sciorta
←
Middle Irish
scirta
(inherited)
←
Old Norse
skyrta
(derived)
→
Irish
triús-sciorta
(affix)
→
Irish
fosciorta
(affix)