Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
díbirciud
←
Old Irish
dí-
(affix)
←
Old Irish
do·bidci
(affix)
←
Old Irish
-ad
(affix)
→
Irish
diúraic
(inherited)