Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
file
←
Proto-Celtic
*weless
(inherited)
←
Primitive Irish
ᚃᚓᚂᚔᚈᚐᚄ
(inherited)
←
Old Irish
fili
(inherited)
→
Irish
banfhile
(affix)