Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
droichead
←
Old Irish
drochet
(inherited)
←
Old Irish
droch
(mention)
←
Old Irish
sét
(mention)
→
Irish
doladhroichead
(affix)
→
Irish
luascdhroichead
(affix)