Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
-traí
←
Old Irish
-traige
(inherited)
→
Irish
suantraí
(affix)
→
Irish
geantraí
(affix)
→
Irish
goltraí
(affix)