Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
doaurchain
←
Proto-Celtic
*toɸareuɸokaneti
(inherited)
←
Old Irish
to-
(affix)
←
Old Irish
ar-
(affix)
←
Old Irish
fo-
(affix)
←
Old Irish
canaid
(affix)
←
Old Irish
ro-
(mention)
←
Old Irish
fo-
(mention)