Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
colnide
←
Old Irish
colinn
(affix)
←
Old Irish
-de
(affix)
→
Irish
collaí
(inherited)
→
Scottish Gaelic
collaidh
(inherited)
→
Middle Irish
collaide
(inherited)