Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
forcell
←
Proto-Celtic
*[[uɸor-]][[geldom]]
(inherited)
←
Old Irish
for·gella
(mention)
←
Old Irish
for-
(affix)
←
Old Irish
gell
(affix)
→
Old Irish
gúforcell
(affix)